Table 3.

Comparison of infection between the two groups before and after propensity score matching.

Variables	Before matching		P value	After matching		P value
	Ertapenem	Non-ertapenem		Ertapenem	Non-ertapenem
	(n=78) (%)	(n=197) (%)		(n= 65) (%)	(n=65 ) (%)
Infectious complications	14 (17.9)	64 (32.5)	0.016∗	8 (12.3)	20 (30.8)	0.010∗
Remote site infections	9 (11.5)	30 (15.2)	0.429	5 (7.7)	7 (10.8)	0.545
Respiratory infection	7 (9.0)	20 (10.2)	0.767	3 (4.6)	5 (7.7)	0.465
Urinary tract infection	1 (1.3)	6 (3.0)	0.403	1 (1.5)	2 (3.1)	0.559
Catheter infection	3 (3.8)	9 (4.6)	0.792	1 (1.5)	2 (3.1)	0.559
Surgical site infections	7 (9.0)	44 (22.3)	0.010∗	5 (7.7)	14 (21.5)	0.025∗
Incision SSI	5 (6.4)	25 (12.7)	0.132	4 (6.2)	8 (12.3)	0.226
Organ/space SSI	4 (5.1)	25 (12.7)	0.066	2 (3.1)	9 (13.8)	0.027∗