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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