Table 3.

Distribution of the different degrees of pulmonary collapse across three intraoperative parameters

		Pulmonary collapse
		N			%			p-value
		Excellent	Good	Poor	Excellent	Good	Poor
VATS procedure	Yes	55	20	1	72.4	26.3	1.3	0.034
	No	30	24	3	52.6	42.1	5.3
Patient positioning	D. lateral	80	35	3	67.8	29.7	2.5	0.018
	D. supine	5	9	1	33.3	60.0	6.7
Laterality of insertion	Right	41	32	2	54.7	42.7	2.7	0.017
	Left	44	12	2	75.9	20.7	3.4