Table 5. Multivariable logistic regression analysis of postoperative complications in NSCLC patients with different BMI ranges.
| Variables | For patients of BMI ≤24 kg/m2 (n=270) | For patients of 24 kg/m2 < BMI <28 kg/m2 (n=274) | For patients of BMI ≥28 kg/m2 (n=88) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| OR | 95% CI | P value | OR | 95% CI | P value | OR | 95% CI | P value | |||
| Surgical approach | |||||||||||
| VATS | Ref. | Ref. | Ref. | ||||||||
| RATS | 0.767 | 0.412–1.428 | 0.403 | 0.443 | 0.212–0.924 | 0.030 | 0.346 | 0.081–1.475 | 0.151 | ||
| Age (years) | 1.008 | 0.980–1.036 | 0.576 | 1.076 | 1.026–1.129 | 0.003 | 0.978 | 0.883–1.083 | 0.669 | ||
| Sex | |||||||||||
| Male | Ref. | Ref. | Ref. | ||||||||
| Female | 0.529 | 0.245–1.142 | 0.105 | 0.607 | 0.254–1.450 | 0.261 | 1.052 | 0.211–5.248 | 0.951 | ||
| Smoking | |||||||||||
| No | Ref. | Ref. | Ref. | ||||||||
| Yes | 0.854 | 0.328–2.219 | 0.745 | 0.936 | 0.384–2.284 | 0.885 | 0.502 | 0.083–3.026 | 0.452 | ||
| Resection range | |||||||||||
| Sublobectomy | Ref. | Ref. | Ref. | ||||||||
| Lobectomy | 0.951 | 0.493–1.835 | 0.882 | 0.867 | 0.409–1.839 | 0.711 | 1.313 | 0.168–10.228 | 0.795 | ||
| Tumor size (cm) | 1.135 | 0.868–1.483 | 0.355 | 1.309 | 0.917–1.869 | 0.138 | 2.745 | 1.020–7.386 | 0.046 | ||
| Lymph node metastasis | |||||||||||
| N0 | Ref. | Ref. | Ref. | ||||||||
| N1/2 | 2.763 | 0.810–9.428 | 0.105 | 0.499 | 0.104–2.389 | 0.384 | 0 | 0 | 0.999 | ||
| Operation time (min) | 0.998 | 0.985–1.012 | 0.807 | 1.031 | 1.006–1.056 | 0.014 | 1.047 | 0.992–1.106 | 0.097 | ||
| Bleeding volume (mL) | 1.014 | 0.997–1.031 | 0.098 | 0.963 | 0.930–0.998 | 0.040 | 0.942 | 0.870–1.020 | 0.138 | ||
Postoperative complications refer to the occurrence of one or more of the following conditions: persistent air leakage (more than 5 consecutive days), arrhythmias, pleural effusions, chylothorax, severe postoperative bleeding that cannot be treated conservatively, and other surgical complications. NSCLC, non-small cell lung cancer; BMI, body mass index; VATS, video-assisted thoracic surgery; RATS, robotic-assisted thoracic surgery; OR, odds ratio; CI, confidence interval.