Table 2 Sample representativeness of the study population
From: Incidence of depression, anxiety and stress following traumatic injury: a longitudinal study
Characteristics | Total | Participants | Non-participants | Stat |
|---|---|---|---|---|
Patient demographics | ||||
Total number of patients (n) | 1335 | 201 (15.1%) | 1134 (84.9%) | |
Age (years) | ||||
Mean (SD) [Range] | 49 (23) [1–96] | 49 (18) [18–94] | 49 (24) [1–96] | T = 0.09, df = 345.7, p = 0.929 |
Gender (%) | χ2 = 4.16, df = 1, p = 0.041 | |||
Female | 421 (31.5%) | 51 (25.4%) | 370 (32.6%) | |
Male | 914 (68.5%) | 150 (74.6%) | 764 (67.4%) | |
Clinical characteristics | ||||
ISS | ||||
Median (IQR) | 8 (4–16) | 9 (5–14) | 8 (4–16) | MW = 108948.0, p = 0.318 |
Poly trauma (%) | χ2 = 3.04, df = 1, p = 0.081 | |||
Yes | 878 (65.8%) | 143 (71.1%) | 735 (64.8%) | |
No | 457 (34.2%) | 58 (28.9%) | 399 (35.2%) | |
ICU admission (%) | χ2 = 5.42, df = 1, p = 0.020 | |||
Yes | 181 (16.4%) | 18 (10.4%) | 163 (17.5%) | |
No | 921 (83.6%) | 155 (89.6%) | 766 (82.5%) | |
Mechanism of injury | χ2 = 50.70, df = 10, p < 0.001 | |||
Fall greater than 1 Meter | 464 (35.1%) | 56 (27.9%) | 408 (36.4%) | |
MVC driver | 262 (19.8%) | 44 (21.9%) | 218 (19.4%) | |
MBC rider | 114 (8.6%) | 32 (15.9%) | 82 (7.3%) | |
Pedal cyclist | 77 (5.8%) | 23 (11.4%) | 54 (4.8%) | |
Violence | 72 (5.4%) | 10 (5%) | 62 (5.5%) | |
Pedestrian | 114 (8.6%) | 8 (4%) | 106 (9.5%) | |
MVC passenger | 85 (6.4%) | 8 (4%) | 77 (6.9%) | |
Industrial | 27 (2%) | 8 (4%) | 19 (1.7%) | |
MBC passenger | 12 (0.9%) | 4 (2%) | 8 (0.7%) | |
Penetrating or cutting injury | 43 (3.3%) | 3 (1.5%) | 40 (3.6%) | |
Sport and other | 52 (3.9%) | 5 (2.5%) | 47 (4.2%) |