Table 3.

Perioperative outcomes

Variable	Group 1 (n = 72)	Group 2 (n = 63)	P-value
Operative time (min)			0.213
> 60	15 (20.8)	19 (30.2)
≤ 60	57 (79.2)	44 (69.8)
Drain	3 (4.2)	5 (7.9)	0.287
Postoperative hospital stay (day)	1.9 ± 0.97	2.9 ± 1.6	< 0.001
Start of soft diet (postoperative day)	1.2 ± 0.48	1.2 ± 0.45	0.749
VAS until postoperative day 1
Median	3.3 ± 1.8	3.1 ± 1.7	0.730
Max	5.8 ± 2.0	6.3 ± 1.6	0.110
Superficial incisional SSI	1 (1.4)	3 (4.8)	0.249
Organ space SSI	0 (0)	0 (0)	-
Ileus	2 (2.8)	0 (0)	0.183
Severe complicationa	0 (0)	0 (0)	-
Reoperation	0 (0)	0 (0)	-
Readmission within 30 days	0 (0)	0 (0)	-
Mortality within 30 days	0 (0)	0 (0)	-

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

Group 1, patients with preoperative pain education; group 2, patients without preoperative pain education.

VAS, visual analogue scale for pain; SSI, surgical site infection.

^aClavien-Dindo classification ≥IIIa.