Variable | Control | Intervention | p-value | ||||
---|---|---|---|---|---|---|---|
n | Mean | Standard deviation | n | Mean | Standard deviation | ||
Age (years) | |||||||
  < 36 | 32 | 65.31 | 17.22 | 39 | 78.21 | 13.93 | < 0.001 |
  ≥ 36 | 40 | 58.75 | 18.97 | 31 | 65.48 | 16.30 | 0.120 |
Sex | |||||||
 Female | 29 | 66.21 | 12.93 | 34 | 71.47 | 17.43 | 0.185 |
 Male | 43 | 58.61 | 20.88 | 36 | 73.61 | 15.15 | < 0.001 |
Education | |||||||
  < High school | 13 | 44.62 | 18.98 | 8 | 66.25 | 15.06 | 0.013 |
  ≥ High school | 59 | 65.42 | 16.12 | 62 | 73.39 | 16.29 | 0.008 |
Injury severity score | |||||||
 ≦4 | 55 | 62.91 | 18.43 | 57 | 74.39 | 16.48 | < 0.001 |
  > 4 | 17 | 57.65 | 18.21 | 13 | 64.62 | 12.66 | 0.249 |
Transferred | |||||||
 Yes | 16 | 58.75 | 17.84 | 19 | 72.11 | 14.75 | 0.021 |
 No | 56 | 62.50 | 18.61 | 51 | 72.75 | 16.86 | 0.004 |
Arrival time | |||||||
 8–16 h | 30 | 61.00 | 16.47 | 36 | 72.22 | 18.07 | 0.011 |
 Others | 42 | 62.14 | 19.82 | 34 | 72.94 | 14.26 | 0.009 |
Physician | |||||||
 Physician A | 18 | 65.00 | 14.65 | 16 | 71.13 | 20.24 | 0.186 |
 Physician B | 7 | 58.57 | 24.78 | 10 | 73.00 | 13.37 | 0.140 |
 Physician C | 14 | 57.86 | 18.05 | 6 | 70.00 | 10.95 | 0.146 |
 Physician D | 11 | 60.00 | 23.24 | 12 | 74.17 | 13.79 | 0.087 |
 Physician E | 9 | 67.78 | 14.81 | 14 | 72.14 | 18.88 | 0.564 |
 Physician F | 13 | 60.00 | 19.15 | 12 | 71.67 | 16.42 | 0.117 |