Table 3. Comparison of postoperative complications between the two groups.

Postoperative complications	Group A (n=21)	Group B (n=17)	P value	OR (95% CI)
Recurrent laryngeal nerve paralysis	4 (19.0)	2 (11.8)	0.54	0.567 (0.091–3.546)
Anastomotic leaks	2 (9.5)	2 (11.8)	0.82	1.267 (0.159–10.074)
Pulmonary complications	0	0
Chylothorax	0	0
Anastomotic stenosis	0	0

Categorical data were expressed as counts and percentages. Group A: traditional mediastinoscopy combined with multi-port laparoscopy; Group B, modified secondary mediastinoscopy combined with “SI + 1” laparoscopy. OR, odds ratio; CI, confidence interval; SI + 1, single-incision plus one-port.