Table 3.

Probability of Late-Onset Laparotomy-Related Complications at 2 and 5 Years after the Index Operation (or Index Date for the Control Population)

Complication/index operation	Probability of complications, %
Complication/index operation	2 y	5 y
Operative adhesions: admission for bowel resection or lysis of adhesions
Major abdominal (n = 2,783)	4.8^*	8.8^*
Minor abdominal (n = 709)	1.5 NS	3.3 NS
Hernia (n = 963)	1.2 NS	3.2^†
RP/pelvic (n = 493)	1.4 NS	3.1 NS
Laparoscopic (n = 2,565)	1.2^†	2.6^†
Control group (n = 78,150)	0.8	1.7
Nonoperative adhesions: admission for bowel obstruction without surgery
Major abdominal (n = 2,783)	11.7^*	20.9^*
Minor abdominal (n = 709)	7.1^*	16.2^*
Hernia (n = 963)	5.2^‡	11.7^*
RP/pelvic (n = 493)	4.4 NS	8.7 NS
Laparoscopic (n = 2,565)	3.6 NS	8.7^*
Control group (n = 78,150)	3.2	6.2
Any adhesions: admission for bowel obstruction with or without surgery
Major abdominal (n = 2,783)	14.3^*	25.0^*
Minor abdominal (n = 709)	8.0^*	18.3^*
Hernia (n = 963)	6.2^‡	13.6^*
RP/pelvic (n = 493)	5.1 NS	10.6 NS
Laparoscopic (n = 2,565)	4.6 NS	10.7^*
Control group (n = 78,150)	4.0	7.8
Incisional hernia repair
Major abdominal (n = 2,783)	7.8^*	12.0^*
Minor abdominal (n = 709)	3.0^*	5.6^*
Hernia (n = 963)	3.6^*	7.4^*
RP/pelvic (n = 493)	2.5^†	4.6^‡
Laparoscopic (n = 2,565)	1.9^*	3.2^*
Control group (n = 78,150)	0.6	1.2
Any surgery: incisional hernia repair, bowel resection, or lysis of adhesions
Major abdominal (n = 2,783)	11.1^*	18.1^*
Minor abdominal (n = 709)	4.3^*	8.3^*
Hernia (n = 963)	4.7^*	9.6^*
RP/pelvic (n = 493)	3.8^†	7.3^‡
Laparoscopic (n = 2,565)	2.9^*	5.4^*
Control group (n = 78,150)	1.4	2.8

p < 0.001 when compared with the control group.

^†

p < 0.05 when compared with the control group.

^‡

p < 0.01 when compared with the control group.

NS, nonsignificant values; RP, retroperitoneum.