Effects of preoperative surgeon warm-up in video-assisted thoracoscopic surgery lobectomy

BMC Surgery

Table 5 Comparison of secondary outcomes between the two groups [n (%)]

Variables	Warm-up group (n = 159)	Warm-up effect group (n = 159)	χ²/t	p-values
Time to chest drainage tube extubation	4.6 ± 2.5	4.7 ± 3.2	0.31	0.755
Postoperative hospital stay	6.3 ± 3.0	6.2 ± 3.5	0.14	0.890
Postoperative ICU admission	2 (1.26)	2 (1.26)	—	0.999*

Results are expressed as propensity scores and p-values, where exceptions are stated separately. p-values > 0.05 indicated small differences
Note:*Fisher’s exact probability test; # Rank-sum test

ISSN: 1471-2482