表 4. Resistance and susceptibility rates of 1050 Klebsiella pneumoniae isolates to antimicrobial agents in 2019 to 2023.

2019−2023年1050株肺炎克雷伯菌对抗菌药物的耐药率和敏感率

Antimicrobial agents	2019			2020			2021			2022			2023		χ 2 /P
	R/%	S/%		R/%	S/%		R/%	S/%		R/%	S/%		R/%	S/%
R: resistant; S: susceptible.
Amikacin	6.4	93.6		8.1	91.9		12.6	87.4		8.0	92.0		12.5	87.0	10.644/0.223
Gentamicin	19.8	79.1		16.2	83.8		19.7	79.2		11.9	86.4		18.5	81.5	11.857/0.158
Imipenem	9.9	90.1		10.8	89.2		14.2	85.8		9.2	90.8		14.9	85.1	5.140/0.273
Meropenem	9.9	90.1		10.8	89.2		14.2	85.8		9.2	90.8		15.4	84.6	10.011/0.265
Ertapenem	9.5	90.5		11.0	89.0		14.8	85.2		10.1	89.9		15.4	84.6	5.056/0.282
Cefazolin	90.2	9.8		29.1	70.9		31.2	68.8		43.7	56.3		81.3	18.7	118.446/0.000
Cefuroxime	30.6	67.6		28.4	67.6		29.9	68.5		27.4	68.4		29.8	69.2	7.532/0.363
Ceftazidime	15.1	83.1		16.2	83.1		23.1	76.9		17.4	81.7		20.1	77.5	10.800/0.117
Cefotaxime	22.8	74.3		23.5	75.0		27.2	72.1		21.2	78.1		25.0	72.8	4.708/0.788
Cefepime	22.7	76.2		19.2	80.2		23.8	74.4		19.2	79.7		21.5	77.3	2.918/0.939
Piperacillin	45.0	45.0		44.6	34.5		43.5	44.0		42.6	39.7		40.7	43.1	11.561/0.172
Cefoperazone-Sulbactam	11.2	85.3		10.6	88.2		14.7	80.0		9.4	80.6		13.6	84.0	21.691/0.006
Piperacillin-Tazobactam	18.8	74.1		16.2	79.1		23.0	73.2		17.7	77.2		20.1	78.4	10.212/0.250
Ampicillin-Sulbactam	34.3	65.7		28.4	71.6		30.6	68.9		28.6	70.2		27.5	71.0	7.086/0.527
Ciprofloxacin	25.7	62.6		25.7	69.6		29.3	68.5		23.9	72.3		28.8	68.8	25.687/0.001
Levofloxacin	20.3	68.0		18.9	68.2		21.7	71.2		16.4	74.4		22.1	69.2	6.990/0.538
Trimethoprim-Sulfamethoxazole	19.4	80.6		15.9	84.1		25.7	74.3		19.7	80.3		23.3	76.7	5.863/0.210