Table 3.
Multivariate logistic regression analysis of independent risk factors associated with prolonged p-LOS in the training set
| Intercept and variable | Regression coefficient | Adjusted OR (95% CI) | P value |
|---|---|---|---|
| Intercept | − 3.77 | < 0.001* | |
| Age (years) | |||
| < 50 | 1.0 (reference) | ||
| 50–59 | 0.74 | 2.11 (1.13–3.92) | 0.019* |
| 60-69 | 1.02 | 2.76 (1.48–5.16) | 0.001* |
| ≥ 70 | 1.59 | 4.92 (2.54–9.53) | < 0.001* |
| P value for trend | < 0.001* | ||
| Gender | |||
| Female | 1.0 (reference) | ||
| Male | 0.82 | 2.27 (1.68–3.08) | < 0.001* |
| RV/TLC | |||
| < 35.0% | 1.0 (reference) | ||
| 35.0–44.9% | 0.02 | 1.02 (0.73–1.43) | 0.911 |
| ≥ 45.0% | 0.65 | 1.92 (1.24–2.97) | 0.004* |
| P value for trend | 0.060 | ||
| Surgical approach | |||
| VATS | 1.0 (reference) | ||
| Open | 1.11 | 3.03 (2.25–4.09) | < 0.001* |
| Surgical type | |||
| Sub-lobectomy | 1.0 (reference) | ||
| Lobectomy | 0.62 | 1.87 (1.08–3.24) | 0.027* |
| Pneumonectomy | 2.68 | 14.63 (4.51–47.47) | < 0.001* |
p-LOS postoperative length of stay, OR odds ratio, CI confidence interval, RV/TLC ratio of residual volume to total lung capacity, VATS video-assisted thoracic surgery
*Statistically significant