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