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Table 6 Cox regression of PPCs between two groups

From: Dexmedetomidine for prevention of postoperative pulmonary complications in patients after oral and maxillofacial surgery with fibular free flap reconstruction:a prospective, double-blind, randomized, placebo-controlled trial

Groups

B

SE

Wald

P value

HR

95.0% CI

Lower

Upper

Dexmedetomidine group

−0.662

0.295

5.035

0.025

0.516

0.290

0.920

Placebo group

reference