Table 1 Categorical variables and covariates for the crystalloid and PRBC group; SBP, Systolic Blood Pressure; ISS, Injury Severity Score; MOI, Mechanism of Injury;Â RTC, Road Traffic Collision; IQR, Interquartile Range; N/A, Not Available
| Â | Crystalloid Group | PRBC Group | P value |
|---|---|---|---|
n = 103 | n = 92 | ||
Gender | |||
 Female (n, %) | 26 (25) | 24 (26) |  |
 Male (n, %) | 77 (74) | 68 (73) | 1.00 |
Age (mean, SD) | 45 (20) | 43 (20) | 0.50 |
SBP (mean, SD) | 88.21 (25) | 90.65 (32) | 0.56 |
ISS (mean, SD) | 31.37 (14) | 32.26 (12) | 0.67 |
Median 999 time to HEMS on scene time (minutes, IQR) | 30 (IQR 23.25–41.75) | 35 (IQR 24–51.5) |  |
MOI (n, %) | |||
 RTC Driver | 17 (16) | 18 (19) | 0.73 |
 RTC Passenger | 10 (9) | 11 (11) | |
 RTC Pedestrian | 8 (7) | 18 (19) | |
 RTC Motorcyclist | 22 (21) | 13 (14) | |
 Fall | 10 (9) | 9 (9) | |
 Penetrating Injury | 2 (1) | 5 (5) | |
 Pedal Cyclist | 6 (5) | 5 (5) | |
 Other | 9 (8) | 7 (7) | |
 N/A | 19 (18) | 6 (6) | |
Mortality | |||
 6 h mortality | |||
  No (n, %) | 84 (81) | 82 (89) | 0.2 |
  Yes (n, %) | 19 (18) | 10 (10) | |
 28 d mortality | |||
  No (n, %) | 45 (59) | 57 (73) | 0.09 |
  Yes (n, %) | 31 (40) | 21 (26) | |