Table 2.

Difference in the surgical outcomes between the 2 groups

Variable	Favorable group (n = 48)	Unfavorable group (n = 34)	OR or difference	95% CI	p-value
Median operation time (min)	50.00 (95% CI, 43.87–60.00)	52.33 (95% CI, 45.02–59.65)	0.39 ± 4.01	-0.749 to 1.354	0.848†
Hospital stay (day)	3.5 ± 0.9	3.7 ± 1.2	0.2 ± 0.8	-0.847 to 1.247	0.854‡
Return-to-work	15.0 ± 7.1	15.6 ± 4.2	0.6 ± 2.0	-4.178 to 5.378	0.645‡
Complication (n)	3	4	0.727	0.042–12.518	0.826§
Additional procedure	2 (4.2)	12 (35.3)	0.083	0.009–0.781	0.011§
Additional nerve block	2	6	0.212	0.020–2.247	0.166§
Revision surgery	0	6	0.824	0.661–1.026	0.036§

Values are presented as mean±standard deviation or number (%) unless otherwise indicated.

OR, odds ratio; CI, confidence interval.

^†Nonparametric Mann-Whitney U-test,

^‡Independent t-test,

^§Pearson chi-square test.