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. 2022 Nov 18;101(46):e31592. doi: 10.1097/MD.0000000000031592

Table 3.

Postoperative outcomes.

SpO2 group
(n = 32)
ORi-SpO2 group
(n = 30)
P value
Length of hospital stay, d 11 ± 1.7 12 ± 3.1 .230
Atelectasis, at postoperative d 1 7 (21.9) 10 (33.3) .312
Sent to intensive care unit 0 0 N/A
Acute lung injury 0 0 N/A
Surgical site infection 0 0 N/A

Data are presented as numbers (%) for nominal data and mean ± SD for continuous data.

N/A = not available.