The Korean Journal of Healthcare-Associated Infection Control and Prevention

Table 2

Antimicrobial resistance rate (%) of Gram-negative bacilli from 2018 to 2020 by type of healthcare facilities

Antimicrobial agent	Resistance rate (%)
	ECO			KPN			PMI			PAE
	GH (n=20,398)	SMH (n=52,620)	LTCH (n=4,397)	GH (n=2,816)	SMH (n=6,936)	LTCH (n=1,214)	GH (n=1,510)	SMH (n=4,782)	LTCH (n=1,837)	GH (n=1,827)	SMH (n=3,854)	LTCH (n=1,498)
Ampicillin	72	69	88	NA	NA	NA	68	69	95	NA	NA	NA
Amoxicillin/clavulanic acid	12	12	24	30	35	54	32	31	42	-	-	-
Piperacillin-tazobactam	-	-	-	-	-	-	-	-	-	54	59	69
Cefazolin	41	36	74	54	53	78	64	67	92	-	-	-
Cefuroxime	39	34	72	54	53	77	43	54	75	-	-	-
Cefotaxime	37	32	70	52	51	76	52	57	85	NA	NA	NA
Ceftazidime	18	15	43	44	45	70	9	19	30	52	60	63
Cefepime	9	7	25	30	33	43	17	24	26	54	61	65
Cefoxitin	8	7	15	18	24	34	10	5	12	-	-	-
Aztreonam	-	-	-	-	-	-	-	-	-	43	37	48
Imipenem	0.3	0.4	3	8	16	22	NA	NA	NA	61	67	72
Meropenem	0.3	0.4	3	8	16	22	0.1	0.1	0.1	58	64	70
Ciprofloxacin	56	52	86	57	58	83	67	68	95	64	72	79
Levofloxacin	52	48	84	51	52	75	60	63	92	-	-	-
Amikacin	0.5	0.5	2	2	6	4	17	30	48	51	59	62
Gentamicin	30	28	41	30	28	37	53	54	81	53	62	65
Doxycycline	26	27	34	40	41	48	97	97	98	-	-	-
Trimethoprim-sulfamethoxazole	38	39	46	38	40	55	55	56	68	NA	NA	NA

Abbreviations: ECO, Escherichia coli; KPN, Klebsiella pneumoniae; PMI, Proteus mirabilis; PAE, Pseudomonas aeruginosa; GH, general Hospital; SMH, small and medium-sized hospital; LTCH, long-term care hospital; NA, not applicable

Korean J healthc assoc Infect Control Prev 2022;27:51~58 https://doi.org/10.14192/kjicp.2022.27.1.51