Table 1 Characteristics of trauma patients, in relation to response and composition of those included in analysis
Variables | Comparison | ||||
|---|---|---|---|---|---|
Included for analysis | Responders (returned questionnaire) | Nonresponders | p-value | ||
Total | 455 | 508 (65.6%) | 266 (34.4%) | ||
Hospital trauma level | p = 0.108* | ||||
University trauma centre | 235 | 262 (68.4%) | 121 (31.6%) | ||
Regional trauma centre | 220 | 246 (62.9%) | 145 (37.1%) | ||
Study groups | p = 0.000* | ||||
12–17 months | 280 | 312 (71.2%) | 126 (28.8%) | ||
18–24 months | 175 | 196 (58.3%) | 140 (41.7%) | ||
Sex | p = 0.009* | ||||
Male | 309 | 340 (62.7%) | 202 (37.3%) | ||
Female | 146 | 168 (72.4%) | 64 (27.6%) | ||
Age at trauma - Grouped | p = 0.000* | ||||
16–39 years | 192 | 205 (54.1%) | 174 (45.9%) | ||
40–59 years | 166 | 182 (73.4%) | 66 (26.6%) | ||
60+ years | 97 | 121 (82.3%) | 26 (17.7%) | ||
Other characteristics | |||||
NISS** | p = 0.001* | ||||
NISS < 15 | 316 | 346 (62.1%) | 211 (37.9%) | ||
NISS > 15 | 139 | 162 (74.7%) | 55 (25.3%) | ||
Traffic, % (n)** | 258 | 290 (62.8%) | 172 (37.2%) | p = 0.041* | |
ICU** | 71 | 81 (72.3%) | 31 (27.7%) | p = 0.107* | |
Glasgow Outcome Scale** | p = 0.003* | ||||
GOS 3 | 37 | 46 (71.9%) | 18 (28.1%) | ||
GOS 4 | 97 | 114 (76.0%) | 36 (24.0%) | ||
GOS 5 | 280 | 302 (61.5%) | 189 (38.5%) | ||