Variable | Control | Intervention | p-value | ||||
---|---|---|---|---|---|---|---|
n | Mean | Standard deviation | n | Mean | Standard deviation | ||
Age (years) | |||||||
  < 36 | 32 | 55.94 | 17.01 | 39 | 56.41 | 17.09 | 0.908 |
  ≥ 36 | 40 | 46.75 | 19.13 | 31 | 50.65 | 15.26 | 0.357 |
Sex | |||||||
 Female | 29 | 56.90 | 16.93 | 34 | 56.47 | 17.73 | 0.923 |
 Male | 43 | 46.74 | 18.86 | 36 | 51.39 | 14.96 | 0.236 |
Education | |||||||
  < High school | 13 | 35.39 | 19.42 | 8 | 46.25 | 9.16 | 0.157 |
  ≥ High school | 59 | 54.24 | 16.84 | 62 | 54.84 | 16.96 | 0.845 |
Injury severity score | |||||||
 ≦4 | 55 | 51.09 | 18.82 | 57 | 54.04 | 16.89 | 0.385 |
  > 4 | 17 | 50.00 | 18.71 | 13 | 53.08 | 14.94 | 0.631 |
Transferred | |||||||
 Yes | 16 | 52.50 | 20.49 | 19 | 55.26 | 14.67 | 0.646 |
 No | 56 | 50.36 | 18.29 | 51 | 53.33 | 17.17 | 0.389 |
Arrival time | |||||||
 8–16 h | 30 | 49.00 | 16.47 | 36 | 51.67 | 16.30 | 0.513 |
 Others | 42 | 52.14 | 20.19 | 34 | 56.18 | 16.52 | 0.351 |
Physician | |||||||
 Physician A | 18 | 56.67 | 16.80 | 16 | 52.50 | 14.38 | 0.446 |
 Physician B | 7 | 47.14 | 19.76 | 10 | 56.00 | 18.97 | 0.366 |
 Physician C | 14 | 47.86 | 19.29 | 6 | 53.33 | 21.60 | 0.581 |
 Physician D | 11 | 45.46 | 22.07 | 12 | 60.00 | 15.37 | 0.079 |
 Physician E | 9 | 52.22 | 17.87 | 14 | 50.00 | 20.00 | 0.789 |
 Physician F | 13 | 51.54 | 18.64 | 12 | 52.50 | 11.38 | 0.879 |