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Table 5 Log rank test of the time to onset 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 Mean SE 95% Confidence Interval P value
Lower Bound Upper Bound
Dexmedetomidine group 6.212 0.191 5.837 6.588 0.019
Placebo group 5.625 0.219 5.196 6.054
Overall 5.919 0.146 5.633 6.204