Table 2: Perioperative variables before matching.

Variables Group N
(n =316)
Group P
(n =434)
STD(%) P-value
Pain VAS at day 6.14 ± 1.95 6.37± 1.82 -12.26 0.100
Pain VAS at day 1 2.86 ± 1.49 3.13± 1.53 -17.84 0.017
Nausea NRS at day 0 0.31 ± 0.71 0.22 ± 0.66 13.06 0.061
Nausea NRS at day 1 0.07 ± 0.30 0.06 ± 0.29 3.40 0.701
Rescue anti-emetics at day0 58(18.4) 45(10.4) 55.56 0.002
Rescue anti-emetics at day1 60(19.0) 59(13.6) 33.12 0.046
CR at day 0 227(71.8) 313(72.1) -0.42 0.932
CR at day 1 242(76.6) 355(81.8) -6.57 0.080
Number of vomiting at day 0 0.06 ± 0.49 0.03 ± 0.22 7.51 0.222
Number of vomiting at day 1 0.00 ± 0.00 0.00 ± 0.07 0.0 0.227
Dizziness at day 0 5(1.6) 11(2.5) -43.90 0.373
Dizziness at day 1 8(2.5) 8(1.8) 32.56 0.519
Headache at day 0 1(0.3) 1(0.2) 40 0.822
Headache at day 1 2(0.6) 1(0.2) 100 0.389

Values are expressed as mean ± SD, absolute number(percentages) or absolute number. STD: Standardized Difference, VAS: Visual Analogue Scale, NRS: Numerical Rating Scale, CR: Complete Responder. * P < 0.05 between group comparison