Group | No Scene Timer | Scene Timer | Difference in mins. | % Change | Significance p | ||||
---|---|---|---|---|---|---|---|---|---|
Number | Median (Mean) | IQR (SD) | Number | Median (Mean) | IQR (SD) | ||||
All Incidents | 134 | 25.5 | 16.3 | 143 | 23.0 | 11.0 | 2.5 | 9.8 | 0.13 |
Adults (age > =18) | 122 | 26.0 | 16.3 | 130 | 23.0 | 11.3 | 3.0 | 11.5 | 0.20 |
Children (age < 18) | 12 | (24.4) | (12.1) | 13 | (22.5) | (7.7) | 1.9 | 7.7 | 0.45 |
RTC | 53 | 27.0 | 17.0 | 62 | 23.0 | 13.5 | 4.0 | 14.8 | 0.13 |
Non-RTC Mechanism | 81 | 25.0 | 18.5 | 81 | 24.0 | 11.0 | 1.0 | 4.0 | 0.27 |
Blunt Trauma | 123 | 27.0 | 17.0 | 132 | 24.0 | 10.8 | 3.0 | 11.1 | 0.08 |
Penetrating Trauma | 11 | 8.0 | 5.0 | 11 | 11.0 | 14.0 | −3.0 | −37.5 | 0.64 |
Day | 105 | 27.0 | 16.0 | 103 | 23.0 | 12.0 | 4.0 | 14.8 | 0.08 |
Night | 29 | (24.1) | (13.0) | 40 | (24.9) | (9.1) | −0.9 | −3.6 | 0.89 |
GCS > 8 | 89 | 22.0 | 18.0 | 104 | 23.0 | 12.8 | −1.0 | − 4.5 | 0.92 |
GCS < =8 | 45 | (29.7) | (10.1) | 39 | (25.2) | (8.1) | 4.5 | 15.1 | 0.028 |
RSI | 44 | 34.0 | 13. 0 | 42 | 28.0 | 11.0 | 6.0 | 17.6 | 0.007 |
No RSI | 90 | 19.0 | 14.3 | 101 | 21.0 | 11.0 | −2.0 | −10.5 | 0.96 |
Blood products | 15 | (27.3) | (12.1) | 15 | (30.8) | (8.8) | −3.5 | −12.9 | 0.37 |
No Blood products | 119 | 25.0 | 16.0 | 128 | 23.0 | 11.0 | 2.0 | 8.0 | 0.21 |
Thoracostomy | 11 | (32.5) | (15.7) | 16 | (31.9) | (12.5) | 0.5 | 1.6 | 0.93 |
No Thoracostomy | 123 | 25.0 | 17.0 | 127 | 23.0 | 10.0 | 2.0 | 8.0 | 0.25 |
CPR | 9 | (26.7) | (9.9) | 8 | (29.1) | (13.3) | −2.5 | −9.2 | 0.76 |
Helicopter Transport | 49 | 27.0 | 13.5 | 84 | 24.0 | 11.0 | 3.0 | 11.1 | 0.28 |
Ambulance Transport | 85 | 23.0 | 19.0 | 59 | 21.0 | 11.0 | 2.0 | 8.7 | 0.50 |