Table 1.
Proportion and probability of surgical treatment of continuous variables. For each year of age and each ISS point, the probability for surgical treatment declines. The accident year has no influence.
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 |