Table 2 Logistic regression models showing unadjusted odds ratios (with 95% confidence intervals) of predictors at different follow-ups with respect to surgery outcome with each of the predictors entered into the model separately.
Factor list | Osw decrease less than 30% from baseline: no/yes | VAS decrease less than 30% from baseline: no/yes | Osw ≥ median on 2-year follow-up (24): no/yes | VAS ≥ median on 2-year follow-up (0): no/yes |
|---|---|---|---|---|
Model 1, preoperative: | ||||
Age (years) | 1.01 (0.97-1.04) | 1.00 (0.96-1.04) | 1.04 (1.00-1.09)* | 0.99 (0.95-1.02) |
Gender (male: no/yes) | 1.54 (0.67-3.58) | 1.79 (0.74-4.34) | 0.72 (0.32-1.63) | 1.32 (0.58-3.01) |
Marital status (single: no/yes) | 1.45 (0.61-3.46) | 1.31 (0.52-3.29) | 1.71 (0.72-4.06) | 1.53 (0.64-3.65) |
Stucki symptom severity (continuous score) | 1.02 (0.49-2.15) | 0.82 (0.37-1.80) | 2.46 (1.13-5.35)* | 2.21 (1.01-4.84)* |
Stucki disability (continuous score) | 1.66 (0.67-4.12) | 0.49 (0.19-1.26) | 4.65 (1.70-12.71)** | 2.53 (0.99-6.45) (p = 0.05) |
Depressive symptoms (BDI ≥ 10: no/yes) | 2.13 (0.90-5.00) | 1.14 (0.47-2.78) | 5.42 (2.23-13.16)*** | 1.45 (0.63-3.33) |
◆) Model 2, 3-month follow-up: | ||||
Depressive symptoms (BDI ≥ 10: no/yes) | 4.29 (1.74-10.62)** | 3.46 (1.36-8.81)** | 4.88 (1.89-12.58)** | 1.64 (0.68-3.90) |
Model 3, 6-month follow-up: | ||||
Depressive symptoms (BDI ≥ 10: no/yes) | 8.82 (3.01-25.86)*** | 2.81 (1.04-7.59)* | 11.04 (2.99-40.74)*** | 3.43 (1.24-9.48)* |
Model 4, 1-year follow-up: | ||||
Depressive symptoms (BDI ≥ 10: no/yes) | 4.84 (1.92-12.15)** | 2.33 (0.93-5.88) | 5.94 (2.27-15.55)*** | 1.51 (0.63-3.62) |