Table 3.

Postoperative outcome of 50 patients with moderate chronic obstructive pulmonary disease undergoing lung cancer surgery

	Dex group (n = 25)	Control group (n = 25)	P	OR
PaO2/FIO2 ratio at PACU (kPa)	47.5 ± 7.1*	42.2 ± 5.9	0.022
Need for ICU stay	1	7	0.049	9.33 (1.05 to 82.78)
Atelectasis	0	4	0.110	10.67 (0.54 to 209.65)
Length of hospital stay (days)	6.5 (5 to 10)	7.1 (6 to 11)	0.102
Focal lung infiltration	1	2	>0.99	2.09 (0.18 to 24.61)
ALI	0	1	>0.99	3.12 (0.12 to 80.39)

Values are mean ± SD, number of patients, median (IQR) OR (95% CI). ALI, acute lung injury; Dex, dexmedetomidine; OR, odds ratio; PACU, post-anaesthetic care unit.

^∗P < 0.05 vs. control group.