Table 1.
Characteristics and outcomes of patients injured during the weekdays or on the weekend
| Characteristic or outcome | Group; no. (%)* | p value | ||
|---|---|---|---|---|
| Overall, n = 351 | Weekday, n = 159 | Weekend, n = 192 | ||
| Age, median [IQR] yr | 33 [24–45] | 33 [23–47] | 33 [24–45] | 0.65 |
| Sex, male | 299 (85.2) | 134 (84.3) | 165 (85.6) | 0.76 |
| Time of injury | ||||
| Early morning (12:01 am to 8 am) | 8 (2.3) | 5 (3.1) | 3 (1.6) | 0.48 |
| Morning/afternoon (8:01 am to 4 pm) | 96 (27.4) | 45 (28.3) | 51 (26.6) | 0.72 |
| Evening (4:01 pm to 8 pm) | 87 (24.8) | 42 (26.4) | 45 (23.4) | 0.54 |
| Night (8:01 pm to 12 am) | 14 (4.0) | 9 (5.7) | 5 (2.6) | 0.18 |
| Unknown | 146 (41.6) | 58 (36.5) | 88 (45.8) | 0.08 |
| Mode of transportation to hospital | ||||
| Private vehicle | 30 (8.5) | 9 (5.7) | 21 (10.9) | 0.09 |
| Ground ambulance | 220 (62.7) | 103 (64.8) | 117 (60.9) | 0.51 |
| Air ambulance | 101 (28.8) | 47 (29.6) | 54 (28.1) | 0.81 |
| Transportation time, median [IQR] min. | 61 [25–104] | 60 [31–105] | 62 [24–97] | 0.54 |
| Injury severity score, median [IQR] | 18 [16–25] | 17 [16–25] | 19 [16–25] | 0.38 |
| Outcomes | ||||
| ICU admission required | 80 (22.8) | 37 (23.3) | 43 (22.4) | 0.90 |
| LOS, median [IQR] d | 6 [3–14] | 7 [3–14] | 6 [3–12] | 0.78 |
| Length of ICU stay, median [IQR] d | 4 [1–11] | 3 [1–9] | 4 [1–11] | 0.95 |
| Mortality | 23 (6.6) | 10 (6.3) | 13 (6.8) | > 0.99 |
ICU = intensive care unit; IQR = interquartile ratio; LOS = length of stay in hospital.
*
Unless otherwise indicated.