Document Classification

Section Type: RESULTS

Text: The study group patients had significantly lower sufentanil consumption (mean + / - SD, 2. 1 + / - 0. 7 microg/kg versus 9. 1 + / - 3. 1 microg/kg ; P <. 001), a shorter period of artificial ventilation (34 + / - 35 hours versus 52 + / - 49 hours ; P =. 0318), and lower postoperative pain scores at 3 hours (0. 10 + / - 0. 26 versus 0. 93 + / - 1. 38 ; P =. 015), 12 hours (0. 14 + / - 0. 53 versus 0. 93 + / - 0. 79 ; P =. 002), and 24 hours (0. 35 + / - 0. 49 versus 1. 33 + / - 1. 04 ; P =. 007).