| Modified question | Required to optional | New required question | New optional question | 
 | Current pre-hospital data elements (0920-1108; exp. 3/31/2019) | 
 | Requested changes | 
 | Change description | 
	
		| Item | Variable name | Text prompt | Legal values | Item | Variable name | Text prompt | Legal values | 
	
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 | EMS Agency | EMSNameU | EMS agency name is unknown | 1 - Yes; 0 - No | 
 | This question is added to be able to differentiate between missing EMS agency numbers and cases when the number is unknown. | 
	
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 | Run Sheet Number | EMSRuNoU | EMS run sheet number is unknown | 1 - Yes; 0 - No | 
 | This question is added to be able to differentiate between missing run sheet numbers and cases when the number is unknown | 
	
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 | Scene Arrival | ScnArrD | _ _/ _ _/ _ _ _ _ | Date MMDDYYYY | 
 | Scene Arrival | ScnArrD | _ _/ _ _/ _ _ _ _ | Date MMDDYYYY | 
 | Question is changed from required to optional. This will reduce overall burden | 
	
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 | Scene Arrival | ScnArDND | Scene arrival date not documented | 1 - Yes; 0 - No | 
 | This data element is added to align with GWTG | 
	
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 | Scene Arrival | ScnArrT | __:____ | Time HHMM | 
 | Scene Arrival | ScnArrT | __:____ | Time HHMM | 
 | Question is changed from required to optional. This will reduce overall burden | 
	
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 | Scene Arrival | ScnArTND | Scene arrival time not documented | 1 - Yes; 0 - No | 
 | This data element is added to align with GWTG | 
	
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 | Arrives at patient | FstMdCtD | _ _/ _ _/ _ _ _ _ | Date MMDDYYYY | 
 | This optional question is added as a secondary option to scene arrival date and time | 
	
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 | Arrives at patient | FstMdCtT | __:____ | Time HHMM | 
 | This optional question is added as a secondary option to scene arrival date and time | 
	
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 | Scene Departure | ScnDptD | _ _/ _ _/ _ _ _ _ | Date MMDDYYYY | 
 | Scene Departure | ScnDptD | _ _/ _ _/ _ _ _ _ | Date MMDDYYYY | 
 | Question is changed from required to optional. This will reduce overall burden | 
	
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 | Scene Departure | ScnDpDND | Scene departure date not documented | 1 - Yes; 0 - No | 
 | This data element is added to align with GWTG | 
	
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 | Scene Departure | ScnDptT | __:____ | Time HHMM | 
 | Scene Departure | ScnDptT | __:____ | Time HHMM | 
 | Question is changed from required to optional. This will reduce overall burden | 
	
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 | Scene Departure | ScnDpTND | Scene departure time not documented | 1 - Yes; 0 - No | 
 | This data element is added to align with GWTG | 
	
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 | Hospital Arrival | HospArrD | _ _/ _ _/ _ _ _ _ | Date MMDDYYYY | 
 | Hospital Arrival | HospArrD | _ _/ _ _/ _ _ _ _ | Date MMDDYYYY | 
 | Question is changed from required to optional. This will reduce overall burden | 
	
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 | Hospital Arrival | ArrDDND | Hospital arrival date not documented | 1 - Yes; 0 - No | 
 | This data element is added to align with GWTG | 
	
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 | Hospital Arrival | HospArrT | __:____ | Time HHMM | 
 | Hospital Arrival | HospArrT | __:____ | Time HHMM | 
 | Question is changed from required to optional. This will reduce overall burden | 
	
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 | Hospital Arrival | ArrDTND | Hospital arrival time not documented | 1 - Yes; 0 - No | 
 | This data element is added to align with GWTG | 
	
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 | EMS Diagnosis Impression | EMSDiagn | Did EMS think this was a possible stroke? (i.e., primary or secondary provider impression) | 1 - Yes; 0- No | 
 | EMS Diagnosis Impression | EMSDiagn | Did EMS think this was a possible stroke? (i.e., primary or secondary provider impression) | 1 - Yes; 2 - No; 3- not documented | 
 | Response options modified to align with AHA GWTG. Alignment reduces burden for awardees who collect data using multiple systems | 
	
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 | Hospital pre-notification performed | EMSPreNt | Did EMS call the hospital to notify them of a possible stroke patient? | 1 - Yes; 0- No | 
 | Hospital pre-notification performed | EMSPreNt | Did EMS call the hospital to notify them of a possible stroke patient? | 1 - Yes; 2 – No; 3- N/A | 
 | Response options modified to align with AHA GWTG. Alignment reduces burden for awardees who collect data using multiple systems | 
	
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 | EMSAlert | Did EMS call the hospital to notify them of a possible stroke patient and provide additional stroke information? | 1 - Yes; 2 – No; 3- N/A | 
 | New optional question added to capture addional information on stoke patient to previous question | 
	
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 | Pre-hospital stroke screen performed | StkScnYN | Did EMS perform a pre-hospital stroke screen? | 1 - Yes; 0- No | 
 | Pre-hospital stroke screen performed | StkScn | Did EMS perform a pre-hospital stroke screen? | 1 - Yes; 2– No; 3 – Not documented | 
 | Response options and variable name modified to align with AHA GWTG. Alignment reduces burden for awardees who collect data using multiple systems | 
	
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 | ScnType | What type of stroke screen did EMS perform? | 1=BE FAST; 2=CPSS; 3=DPSS;  4=FAST; 5=MASS; 6=Med PACS; 7=MEND; 8=mLAPSS; 9=LAPSS 10=OPSST; 11=ROSIER; 12=Other; 13=Stroke screen tool used, but tool used is unknown; 14=No stroke screen used; 15=Not Documented | 
 | New optional question added to capture type of stroke screen tool EMS used for suspected stroke patient | 
	
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 | ScrTyUnk | If other, please specify | Text, 50 characters | 
 | This data element is added to align with GWTG | 
	
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 | ScnReslt | 
 | 1 - Positive; 2 - Negative; 3 - Not documented | 
 | New optional question added to capture result of the stroke screen performed | 
	
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 | SevType | If stroke severity scale used, what type of scale did EMS perform? | 1=CPSSS/CSTAT; 2=FAST ED; 3=LAMS; 4=RACE; 5=Other; 6 = Severity scale used, but tool used is unknown; 7 = No severity scale used; 8= Not Documented | 
 | New optional question added to capture type of stroke severity scale EMS used for suspected stroke patient | 
	
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 | SevTyUnk | If other, please specify | Text, 50 characters | 
 | This data element is added to align with GWTG | 
	
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 | SevScore | 
 | Numeric | 
 | New optional question added to  capture severity score of suspected stroke | 
	
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 | Last known well | LKWD | _ _/ _ _/ _ _ _ _ | Date MMDDYYYY | 
 | Last known well | EMSLKWD | _ _/ _ _/ _ _ _ _ | Date MMDDYYYY | 
 | Variable name modified to meet character length guidelines | 
	
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 | Last known well | ELKWDND | LKW date not documented | 1 - Yes; 0 - No | 
 | This is added to differentiate between cases when the date is not documented versus missing | 
	
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 | Last known well | LKWT | __:____ | Time HHMM | 
 | Last known well | EMSLKWT | __:____ | Time HHMM | 
 | Variable name modified to meet character length guidelines | 
	
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 | Last known well | ELKWTND | LKW time not documented | 1 - Yes; 0 - No | 
 | This is added to differentiate between cases when the time is not documented versus missing | 
	
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 | Time of discovery | DiscD | _ _/ _ _/ _ _ _ _ | Date MMDDYYYY | 
 | Time of onset | OnsetD | _ _/ _ _/ _ _ _ _ | Date MMDDYYYY | 
 | Changed to optional; modified language and variable name to align with AHA GWTG | 
	
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 | Time of onset | OnsetDND | Onset date not documented | 1 - Yes; 0 - No | 
 | This is added to differentiate between cases when the date is not documented versus missing | 
	
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 | Time of discovery | DiscT | __:____ | Time HHMM | 
 | Time of onset | OnsetT | __:____ | Time HHMM | 
 | Changed to optional; modified language and variable name to align with AHA GWTG | 
	
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 | Time of onset | OnsetTND | Onset time not documented | 1 - Yes; 0 - No | 
 | This is added to differentiate between cases when the time is not documented versus missing | 
	
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 | Thrombolytic checklist | tPAChk | Was a thrombolytic checklist done for possible tPA eligibility? | 1 - Yes; 0 - No/ND | 
 | Thrombolytic checklist | tPAChk | Was a thrombolytic checklist done for possible alteplase eligibility? | 1 - Yes; 0 - No/ND | 
 | Variable name modified to meet character length guidelines. Legal values modified to align with AHA GWTG | 
	
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 | Glucose checked | GluChkYN | Was glucose checked? | 1 - Yes; 0 - No | 
 | Glucose checked | GluChk | Was glucose checked? | 1 - Yes; 0 – No; 2- glucometer not available 3- not documented/ not required to perform; 4-patient refused | 
 | Variable name modified to meet character length guidelines. Legal values modified to align with AHA GWTG | 
	
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 | Glucose checked | BglVal | Blood glucose level | 1 - Too high; 2 - Too low | 
 | This is added to align with GWTG and appropriate capture instances when glucometers don't produce a numeric reading | 
	
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 | Destination Decision | DestDscn | How did EMS make the decision to come to this hospital? | 1 = Protocol to nearest stroke center; 2 = protocol to nearest hospital; 3 = patient/family choice; 4 = enroute medical direction; 5 = nearest hospital; 6 = other or unknown; | 
 | Destination Decision | DestDscn | How did EMS make the decision to come to this hospital? | 1 = Protocol to nearest stroke center; 2 = protocol to nearest hospital; 3 = patient/family choice; 4 = enroute medical direction; 5 = nearest hospital; 6 = other or unknown; 7 - unknown/not documented | 
 | Changed to optional. Response options modified | 
	
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 | Destination Decision | DesDscnO | If other reason, please specify | Text, 200 characters | 
 | This is added to align with GWTG. | 
	
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 | Follow-up | 
 | Did EMS receive hospital follow-up | 1 = Yes; 0 = No | 
 | Follow-up | EMSFU | Did EMS receive hospital follow-up | 1 = Yes; 0 = No | 
 | Changed to optional. Variable name added | 
	
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 | Follow-up | 
 | If yes, did EMS diagnosis of a stroke agree with hospital diagnosis? | 1 = EMS & Hospital both diagnosed a stroke; 2 = EMS called a stroke and Hospital did not diagnose a stroke; 3 = EMS did not call a stroke and Hospital diagnosed a stroke | 
 | Follow-up | DiAgree | If yes; did EMS diagnosis of a stroke agree with hospital diagnosis? | 1 = EMS & Hospital both diagnosed a stroke; 2 = EMS called a stroke and Hospital did not diagnose a stroke; 3 = EMS did not call a stroke and Hospital diagnosed a stroke | 
 | Changed to optional. Variable name added | 
	
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 | Hospital Coverdell Participation | HospCovd | Is this patient transport to a hospital participating in the Coverdell program? (yes/no) | 0 = No; 1 = Yes; 2 = Unknown | 
 | This is a new required data element. The information is needed to identify linkage capabilities with in-hospital data | 
	
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 | EMS Coverdell Participation | EMSCovd | Is this patient transport by an EMS agency participating in the Coverdell program?  (yes/no) | 0 = No; 1 = Yes; 2 = Unknown | 
 | This is a new required data element. The information is needed to identify linkage capabilities with in-hospital data | 
	
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		| *Variables in the table with the green background are required data elements. Variables in the table with the blue background are optional data elements. | 
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