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Value are presented as mean ± standard deviation, median (P25-P75) or number (%).
Group C, saline infiltration group; group L, 0.1% ropivacaine infiltration group; BP, blood pressure; HR, heart rate; POVN, postoperative nausea and vomiting.
a)Mann-Whitney U test was used and expressed as median (P25-P75) because of abnormal distribution.
