Table 1.
Factor | Total, median (mean ± s.d.) | Surgery, median (mean ± s.d.) | Frequency of surgery at median of total | Adjusted OR (95% CI) | P | ||
---|---|---|---|---|---|---|---|
Yes | No | Surgery, Yes (n (%)) | Surgery, No (n (%)) | ||||
Age | 57 (56.70 ± 21.48) | 54 (54.14 ± 20.17) | 65 (60.85 ± 22.86) | 45 (69.2) | 20 (30.8) | 0.97 (0.97–0.98) | <0.001 |
ISS | 9 (14.80 ± 10.17) | 9 (14.28 ± 9.31) | 9 (15.63 ± 11.38) | 1504 (63.0) | 884 (37.0) | 0.97 (0.96–0.98) | <0.001 |
Accident year | 2010 (2010.41 ± 3.93) | 2010 (2010.38 ± 3.98) | 2010 (2010.47 ± 3.84) | 187 (58.8) | 131 (41.2) | 1.00 (0.98–1.03) | 0.804 |