Table 5.
Uni- and multivariate logistic regression of variables with potential associations with increased 90-day mortality
| Summary | Univariate analysis | Multivariate analysis | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Characteristic | Nonmissing values | Alive, N = 18361, N (%) | Dead < 90 days, N = 1531, N (%) | Dead > 90 days, N = 1641, N (%) | OR2 | 95% CI2 | p value | OR2 | 95% CI2 | p value | |
| Age | 2151 | 58 (40, 73) | 83 (73, 90) | 83 (74, 89) | 1.06 | 1.05, 1.08 | < 0.001 | 1.06 | 1.04, 1.08 | < 0.001 | |
| Sex | 2153 | ||||||||||
| Female | 570 (31) | 62 (41) | 68 (41) | ||||||||
| Male | 1266 (69) | 91 (59) | 96 (59) | 0.69 | 0.49, 0.97 | 0.029 | 1.50 | 0.96, 2.38 | 0.076 | ||
| Comorbidity | 2052 | ||||||||||
| ASA 1–2 | 1222 (70) | 27 (18) | 20 (13) | ||||||||
| ASA 3–5 | 525 (30) | 120 (82) | 138 (87) | 8.33 | 5.51, 13.0 | < 0.001 | 3.96 | 2.06, 7.95 | < 0.001 | ||
| Living | 1977 | ||||||||||
| Independent living | 1534 (91) | 67 (48) | 77 (52) | ||||||||
| Dependent living | 156 (9.2) | 73 (52) | 70 (48) | 7.77 | 5.42, 11.1 | < 0.001 | 2.74 | 1.65, 4.62 | < 0.001 | ||
| Level of Cs-Fx | 2153 | ||||||||||
| C0-C2 | 642 (35) | 83 (54) | 82 (50) | ||||||||
| C0-C2 & C3-Th1 | 136 (7.4) | 7 (4.6) | 11 (6.7) | 0.42 | 0.17, 0.86 | 0.030 | 0.62 | 0.19, 1.69 | 0.4 | ||
| C3-Th1 | 1058 (58) | 63 (41) | 71 (43) | 0.49 | 0.35, 0.68 | < 0.001 | 0.96 | 0.59, 1.55 | 0.9 | ||
| SCI—AIS grade | 2152 | ||||||||||
| AIS A & B | 51 (2.8) | 19 (12) | 2 (1.2) | ||||||||
| AIS C & D | 158 (8.6) | 4 (2.6) | 15 (9.2) | 0.06 | 0.02, 0.18 | < 0.001 | 0.03 | 0.00, 0.11 | < 0.001 | ||
| AIS E | 1627 (89) | 130 (85) | 146 (90) | 0.20 | 0.12, 0.36 | < 0.001 | 0.09 | 0.04, 0.21 | < 0.001 | ||
| Multitrauma | 2020 | ||||||||||
| No | 811 (47) | 55 (40) | 79 (55) | ||||||||
| Yes | 927 (53) | 84 (60) | 64 (45) | 1.37 | 0.97, 1.96 | 0.078 | 1.00 | 0.46, 2.04 | > 0.9 | ||
| TBI—HISS grade | 2020 | ||||||||||
| Severe | 49 (2.8) | 28 (20) | 1 (0.7) | ||||||||
| Mild | 478 (28) | 28 (20) | 28 (20) | 0.10 | 0.05, 0.18 | < 0.001 | 0.02 | 0.01, 0.04 | < 0.001 | ||
| Moderate | 96 (5.5) | 14 (10) | 8 (5.6) | 0.24 | 0.11, 0.49 | < 0.001 | 0.06 | 0.02, 0.16 | < 0.001 | ||
| None/minimal | 1115 (64) | 69 (50) | 106 (74) | 0.10 | 0.06, 0.17 | < 0.001 | 0.02 | 0.01, 0.04 | < 0.001 | ||
| Thoracolumbar Fx | 2020 | ||||||||||
| No | 1439 (83) | 118 (85) | 127 (89) | ||||||||
| Yes | 299 (17) | 21 (15) | 16 (11) | 0.88 | 0.53, 1.40 | 0.6 | 1.39 | 0.70, 2.71 | 0.3 | ||
1Statistics presented: median (IQR); n (%)
2OR = Odds Ratio, CI = Confidence Interval