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Table 1 Age and sex distribution of common bacterial isolates from various site of infections among patients at Debre Markos Referral Hospital (2011–2014)

From: Bacterial agents and antibiotic resistance profiles of infections from different sites that occurred among patients at Debre Markos Referral Hospital, Ethiopia: a cross-sectional study

Type of isolate

Sex

Age in years

Male (n = 226)

Female (n = 349)

P value

0–4

(n = 50)

5–9

(n = 31)

10–14

(n = 43)

15–18

(n = 29)

19–30

(n = 262)

31–44

(n = 84)

45–90

(n = 76)

P value

N (%)

N (%)

N (%)

N (%)

N (%)

N (%)

N (%)

N (%)

N (%)

S. aureus

38 (16.8)

62 (17.8)

0.76

3 (6)

1 (3.2)

10 (23.3)

5 (17.2)

46 (17.6)

23 (27.4)

12 (15.8)

0.02

E. coli

13 (5.8)

26 (7.4)

0.43

3 (6)

3 (9.7)

–

1 (3.4)

26 (9.9)

2 (2.4)

4 (5.3)

0.06

P. aeruginosa

12 (5.3)

18 (5.2)

0.94

3 (6)

4 (12.9)

1 (2.3)

1 (3.4)

13 (5)

1 (1.2)

7 (9.2)

0.11

Salmonella spp.

18 (8)

7 (2)

0.001

12 (24)

3 (9.4)

–

–

5 (1.9)

2 (2.4)

3 (3.9)

<0.001

Shigella spp.

8 (3.5)

2 (0.6)

0.008

4 (8)

2 (6.5)

1 (2.3)

–

1 (0.4)

2 (2.4)

–

0.001

N. gonorrhoeae

4 (1.8)

12 (3.4)

0.23

–

–

1 (2.3)

2 (6.9)

13 (5)

–

–

0.04

S. pyogens

8 (3.5)

9 (2.6)

0.51

1 (2)

5 (16.1)

8 (18.6)

–

3 (1.1)

–

–

<0.001

S. pneumoniae

8 (3.5)

8 (2.3)

0.24

–

2 (6.5)

3 (7)

3 (6.4)

2 (0.8)

6 (7.1)

1 (1.3)

0.002

Klebsiella spp.

5 (2.2)

6 (1.7)

0.68

–

–

–

–

10 (3.8)

1 (1.2)

–

0.14

Proteus spp.

1 (0.4)

3 (0.9)

NA

–

–

–

–

2 (0.8)

–

2 (2.6)

NA

Citrobacter spp.

1 (0.4)

2 (0.6)

NA

–

–

–

–

1 (0.4)

–

2 (2.6)

NA

Enterobacter spp.

–

3 (0.9)

NA

–

–

–

–

3 (1.1)

–

–

NA

N. meningitidis

–

3 (0.9)

NA

–

–

–

–

–

1 (1.2)

2 (2.6)

NA

S. agalactiae

–

3 (0.9)

NA

–

–

–

–

3 (1.1)

–

–

NA

NG

110 (48.7)

185 (53.2)

0.26

24 (48)

11 (35.5)

19 (44.2)

17 (58.6)

134 (51.1)

46 (54.8)

44 (57.9)

0.26

  1. NA not applicable, NG no growth of organisms, n total number of patients in each category of sex and age