Table 2 Uni- and multivariate analyses of variables potentially associated with the use of surgery as the primary treatment
From: Odontoid fractures: impact of age and comorbidities on surgical decision making
Variable | Primary conservative treatment N (%) | Primary surgery N (%) | ORa (univariate) | OR (multivariate) | |
|---|---|---|---|---|---|
Sex | Female | 129 (86.0) | 21 (14.0) | – | – |
Male | 137 (73.7) | 49 (26.3) | 2.20 (1.26–3.93, p = 0.006) | 1.44 (0.71–2.95, p = 0.311) | |
Age | Mean (SDb) | 78.3 (16.1) | 71.0 (11.4) | 0.97 (0.96–0.99, p = 0.001) | 1.00 (0.98–1.02, p = 0.904) |
Functional status | Dependent | 110 (95.7) | 5 (4.3) | – | – |
Independent | 155 (70.5) | 65 (29.5) | 9.23 (3.95–27.01, p < 0.001) | 5.86 (2.15–19.08, p = 0.001) | |
ASAc score | ASA score of 1–2 | 77 (63.6) | 44 (36.4) | – | – |
ASA score of 3–4 | 189 (87.9) | 26 (12.1) | 0.24 (0.14–0.42, p < 0.001) | 0.30 (0.13–0.65, p = 0.003) | |
Odontoid fracture type | Type II | 136 (68.0) | 64 (32.0) | – | – |
Type III | 130 (95.6) | 6 (4.4) | 0.10 (0.04–0.22, p < 0.001) | 0.08 (0.03–0.19, p < 0.001) | |
Odontoid translation | None-Mild | 225 (85.2) | 39 (14.8) | – | – |
Majord | 38 (55.1) | 31 (44.9) | 4.71 (2.63–8.47, p < 0.001) | 5.59 (2.70–11.99, p < 0.001) | |