Table 5.

Association between adhesion barrier use and periopeartive complications in propensity stratified cohort.

Propensity Score Matched Hysterectomy Cohort
	HA-CMC No		HA-CMC Yes
	(n=38,608)		(n=19,304)
	N	(%)	N	(%)	p-value	Unadjusted RR	Adjusted RR
Abscess	571	(1.5)	298	(1.5)	0.55	1.04 (0.91–1.20)	0.97 (0.84–1.12)
Wound complication	252	(0.7)	159	(0.8)	0.02	1.26 (1.03–1.54)*	1.19 (0.97–1.45)
Bowel obstruction	268	(0.7)	198	(1.0)	<0.0001	1.48 (1.23–1.78)*	1.38 (1.15–1.66)*
Ileus	2708	(7.0)	2330	(12.1)	<0.0001	1.72 (1.63–1.82)*	1.68 (1.59–1.78)*
Reoperation	259	(0.7)	137	(0.7)	0.59	1.06 (0.86–1.30)	0.99 (0.81–1.22)
Peritonitis	170	(0.4)	76	(0.4)	0.41	0.89 (0.68–1.17)	0.79 (0.60–1.03)
Propensity Score Matched Colectomy Cohort
	HA-CMC No		HA-CMC Yes
	(n=43,222)		(n=21,611)
	N	(%)	N	(%)	p-value	Unadjusted RR	Adjusted RR
Abscess	6500	(15.0)	3753	(17.4)	<0.0001	1.15 (1.11–1.20)*	1.13 (1.08–1.17)*
Wound complication	1276	(3.0)	784	(3.6)	<0.0001	1.23 (1.12–1.34)*	1.19 (1.09–1.30)*
Bowel obstruction	3558	(8.2)	2029	(9.4)	<0.0001	1.14 (1.08–1.20)*	1.13 (1.07–1.19)*
Ileus	7659	(17.7)	4385	(20.3)	<0.0001	1.15 (1.10–1.19)*	1.14 (1.10–1.18)*
Reoperation	1551	(3.6)	969	(4.5)	<0.0001	1.25 (1.15–1.35)*	1.20 (1.10–1.30)*
Peritonitis	3874	(9.0)	2259	(10.5)	<0.0001	1.17 (1.11–1.23)*	1.13 (1.07–1.19)*