Table 8.

Comparison of postoperative hospital stay, atelectasis, pneumonia, ARDS, and incidence of PPCs (n = 20).

Group	Postoperative hospital stay (d, $\overline{x}\pm s$)	Atelectasis (cases (%))	Pneumonia (cases (%))	ARDS (cases (%))	PPCs (cases (%))
Group C	4.60 ± 1.88	2 (10)	2 (10)	0 (0)	2 (10)
Group D	4.10 ± 1.48	1 (5)	2 (10)	0 (0)	2 (10)