Occurrence of some common carbapenemase genes in carbapenem-resistant Klebsiella pneumoniae isolates collected from clinical samples in Tabriz, northwestern Iran

Table 2 Distribution of bla_VIM, bla_NDM, bla_KPC, bla_OXA, and bla_IMP carbapenemase genes in the carbapenem-resistant Klebsiella pneumoniae isolates based on gender, referral type, and sample type

	Negative n (%)	bla _KPC n (%)	bla _VIM n (%)	bla _IMP n (%)	bla _{OXA−48−like} n (%)	bla _NDM n (%)	Total n (%)
Gender
Male	34 (66.7)	13 (25.5)	2 (3.9)	1 (2.0)	1 (2.0)	0 (0.0)	51 (51.0)
Female	43 (87.8)	5 (10.2)	1 (2.0)	0 (0.0)	0 (0.0)	0 (0.0)	49 (49.0)
Referral type (%),
Inpatient	56 (80.0)	10 (14.3)	3 (4.3)	1 (1.4)	0 (0.0)	0 (0.0)	70 (70.0)
Outpatient	21 (70.0)	8 (26.7)	0 (0.0)	0 (0.0)	1 (3.3)	0 (0.0)	30 (30.0)
Sample type (%),
Urine	44 (77.2)	10 (17.5)	2 (3.5)	1 (1.8)	0 (0.0)	0 (0.0)	57 (57.0)
Blood	20 (74.1)	5 (18.5)	1 (3.7)	0 (0.0)	1 (3.7)	0 (0.0)	27 (27.0)
Wound	10 (76.9)	3 (23.1)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	13 (13.0)
Sputum	3 (100.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	3 (3.0)
Total	77 (77.0)	18 (18.0)	3 (3.0)	1 (1.0)	1 (1.0)	0 (0.0)	100 (100.0)

KPC: Klebsiella pneumoniae carbapenemase, OXA: oxacillinase, VIM: Verona integron-encoded metallo-β-lactamase, IMP: imipenamas, NDM: New Delhi metallo-β-lactamase

ISSN: 1756-0500