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

Table 5 Log rank test of the time to onset of PPCs between two groups

Groups	Mean	SE	95% Confidence Interval		P value
Groups	Mean	SE	Lower Bound	Upper Bound	P value
Dexmedetomidine group	6.212	0.191	5.837	6.588	0.019
Placebo group	5.625	0.219	5.196	6.054	0.019
Overall	5.919	0.146	5.633	6.204

ISSN: 1471-2253