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Table 1 Prevalence of MRSA and MSSA isolated from Peshawar region of Khyber Pakhtunkhwa, Pakistan

From: High frequency of methicillin-resistant Staphylococcus aureus in Peshawar Region of Pakistan

Variables

S. aureus (N)

MRSA n (%)

MSSA n (%)

X 2

OR

95 % Confidence interval

p value

Lower limit

Upper limit

Age (years)

1–9

66

25 (37.9)

41 (62.1)

0.122

1.10

0.6257

1.9593

0.727

10–19

20

7 (35)

13 (65)

0.011

0.95

0.3666

2.4663

0.918

20–29

40

19 (47.5)

21 (52.5)

2.643

1.74

0.8872

3.425

0.104

30–39

34

11 (32.3)

23 (67.7)

0.232

0.83

0.3862

1.7796

0.631

40–49

22

6 (27.3)

16 (72.7)

0.802

0.64

0.2435

1.7003

0.371

50–59

28

17 (60.7)

11 (39.3)

8.193

3.09

1.3855

6.8953

0.004

60–69

40

10 (25)

30 (75)

2.481

0.54

0.2548

1.169

0.115

70–79

30

6 (20)

24 (80)

3.763

0.40

0.1609

1.0342

0.052

 

280

101 (36.1)

179 (63.9)

     

Sex

Male

182

62 (34)

120 (66)

0.906

0.78

0.4705

1.2984

0.341

Female

98

39 (39.8)

59 (60.2)

     

Specimen

Pus

120

44 (36.7)

76 (63.3)

0.032

1.04

0.6393

1.7119

0.857

Blood

82

40 (48.8)

42 (51.3)

8.122

2.14

1.2618

3.6258

0.004

Throat

46

8 (17.4)

38 (82.6)

8.329

0.32

0.1425

0.7147

0.004

Tissues

20

4 (20)

16 (80)

2.412

0.42

0.1365

1.2929

0.120

Fluids

12

5 (41.7)

7 (58.3)

0.170

1.27

0.3954

4.142

0.680

Type

Community acquired

50

21 (42)

29 (58)

0.93

1.36

0.7277

2.5334

0.330

Hospital acquired

230

80 (34.8)

150 (65.2)

     
  1. N total numbers of S. aureus isolations; X 2 Chi square; OR Odd ratio
  2. p value <0.05 is considered as statistically significant