Table 2 Meta-analysis for the proportion of toxin virulence factors of S. aureus isolates from DFIs

hla

4

183

118

80.0

(31.0,100.0)

97.5

hlb

4

360

135

47.0

(29.0,66.0)

87.8

hlg

5

304

237

88.0

(58.0,100.0)

96.6

hlgv

5

485

278

79.0

(35.0,100.0)

98.9

hld

3

158

157

100.0

(97.0,100.0)

51.6

luk-SF or PVL

15

998

86

11.0

(3.0,21.0)

94.1

luk-ED

6

469

222

72.0

(42.0,95.0)

97.4

etA

7

611

7

0.2

(0.0,1.3)

21.3

etB

6

543

0

0.0

(0.0,0.0)

0.0

etD

4

353

19

3.8

(0.0,11.6)

79.1

sea

8

652

173

28.2

(17.9,39.7)

87.5

seb

6

372

23

4.5

(0.4,11.2)

75.5

sec

3

208

24

11.3

(2.0,25.1)

75.7

sed

3

205

52

13.7

(0.2,38.5)

90.7

see

3

154

0

0.0

(0.0,0.0)

0.0

seg

4

219

79

28.9

(12.9,47.9)

80.5

seh

6

372

11

2.5

(0.0,7.4)

66.6

sei

4

403

120

27.4

(16.5,39.8)

79.9

sej

3

208

35

8.8

(0.0,40.8)

95.1

sek

5

375

75

19.2

(0.0,55.3)

98.0

seq

4

290

72

19.3

(0.0,67.8)

98.4

tst

8

558

60

9.6

(4.1,16.9)

81.6

edin-A

3

166

0

9.6

(4.1,16.9)

81.6

edin-B

3

158

12

4.9

(0.0,23.0)

87.1