Table 1. Time Intervals in Study Populations.
| Interval | Median (IQR) Time, min | |
|---|---|---|
| Patients With Prehospital and Early ED Course GCS Assessment (n = 1690) | Subset of Patients With Prehospital, ED Arrival, and Early ED Course GCS Assessment (n = 965) | |
| LKWT to prehospital GCS | 23 (14-42) | 24 (15-45) |
| LKWT to ED arrival | 58 (46-79) | 60 (47-81) |
| Prehospital GCS to ED arrival | 32 (27-39) | 33 (28-39) |
| ED arrival to ED arrival GCS | ND | 10 (5-22) |
| LKWT to ED arrival GCS | ND | 76 (60-100) |
| Prehospital GCS to ED arrival GCS | ND | 46 (37-59) |
| LKWT to early ED course GCS | 149 (120-180) | 150 (123-180) |
| ED arrival to early ED course GCS | 82 (62-107) | 83 (61-108) |
| ED arrival GCS to early ED course GCS | ND | 70 (45-95) |
| Prehospital GCS to early ED course GCS | 117 (95-143) | 118 (97-144) |
Abbreviations: ED, emergency department; GCS, Glasgow Coma Scale; IQR, interquartile range; LKWT, last known well time; ND, not determined.