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Table 2 Overall frequency of risk factors and amongst metronidazole and imipenem resistant strains

From: Antimicrobial susceptibility against metronidazole and carbapenem in clinical anaerobic isolates from Pakistan

Risk factors

Total (189)

Metronidazole resistance (total = 33)

Imipenem resistance (total = 26 metronidazole resistant strains)

N (%)

N (%)

N (%)

Age

 < 18 years

31 (16.4)

3 (9.09)

1 (3.8)

 18–60 years

126 (66.7)

24 (72.7)

3 (11.5)

 > 60 years

32 (16.9)

6 (18.2)

3 (11.5)

Gender

 Male

129 (68.2)

26 (78.8)

7 (26.9)

 Female

60 (31.7)

7 (21.2)

0

Prolonged hospital staya

43 (22.7)

9 (27.3)

3 (11.5)

Diabetes Mellitus

26 (13.7)

2 (6.06)

0

Malignancy/Transplant

11 (5.82)

5 (15.1)

1 (3.8)

Dialysis

2 (1.06)

1 (3.03)

0

Bacteremia

35 (18.5)

9 (27.3)

3 (11.5)

Skin and soft tissue infections

49 (25.9)

6 (18.2)

1 (3.8)

Head and neck infections

18 (9.52)

1 (3.03)

0

Intra-abdominal infections

66 (34.9)

13 (39.4)

2 (7.7)

Empyema lung

6 (3.17)

2 (6.06)

1 (3.8)

Genitourinary tract infections

17 (8.99)

2 (6.06)

0

Expired

10 (5.29)

3 (9.09)

3 (11.5)

  1. aPrimary exposure