Laparoscopic total extraperitoneal (TEP) inguinal hernia repair with preperitoneal closed-suction drainage reduced postoperative complications

Table 2 Operative details

Characteristics	Drainage (n = 40)	Non-drainage (n = 60)	t/Z	p
Hernia sac volume, cm³	8.5 (4.5–20.0)	6.0 (4.0–12)	− 1.41	0.16
Operation time, min/SD	43.3 ± 15.2	40.8 ± 13.5	0.83	0.41
Blood loss, ml/SD	8.6 ± 4.5	9.1 ± 4.1	− 0.52	0.60
Drainage volume, ml/SD	103.6 ± 66.0	–	–	–

ISSN: 1471-2482