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Table 2 The pathogen distribution of ocular secretions

From: The epidemiology and the pathogen distribution of pediatric dacryocystitis in Chinese population 2017–2022

 

2017

2018

2019

2020

2021

2022

Χ2

p value

(n = 961)

(n = 1307)

(n = 1220)

(n = 945)

(n = 838)

(n = 520)

Gram-positive bacteria

        

 Streptococcus pneumoniae, n (%)

199(20.7)

249(19.1)

219(18.0)

117(12.4)

127(15.2)

59(11.3)

42.995

0.000

 Staphylococcus epidermidis, n (%)

140(14.6)

154(11.8)

125(10.2)

124(13.1)

99(11.8)

61(11.7)

8.616

0.125

 Streptococcus mitis, n (%)

103(10.7)

144(11.0)

153(12.5)

127(13.4)

127(15.2)

97(18.7)

27.444

0.000

 Staphylococcus aureus, n (%)

77(8.0)

110(8.4)

95(7.8)

74(7.8)

67(8.0)

57(11.0)

5.421

0.367

 Human Staphylococcus, n (%)

2(0.2)

5(0.4)

1(0.1)

14(1.5)

2(0.2)

10(1.9)

32.059

0.000

Gram-negative bacteria

        

 Haemophilus influenzae, n (%)

134(13.9)

229(17.5)

186(15.2)

81(8.6)

87(10.4)

25(4.8)

82.98

0.000

 Staphylococcus aureus, n (%)

60(6.2)

106(8.1)

74(6.1)

42(4.4)

65(7.8)

31(6.0)

14.988

0.010

 Stenotrophomonas maltophilia, n (%)

38(4.0)

37(2.8)

33(2.7)

48(5.1)

35(4.2)

23(4.4)

12.101

0.033

 Pseudomonas aeruginosa, n (%)

29(3.0)

28(2.1)

34(2.8)

33(3.5)

24(2.9)

13(2.5)

4.113

0.533

 Haemophilus parainfluenzae, n (%)

23(2.4)

31(2.4)

35(2.9)

18(1.9)

18(2.1)

4(0.8)

8.657

0.124

Fungi

        

 Pseudomonas albicans, n (%)

8(0.8)

5(0.4)

2(0.2)

1(0.1)

0(0.0)

0(0.0)

12.299

0.011

 Nearly Smooth Pseudomonas, n (%)

8(0.8)

18(1.4)

9(0.7)

3(0.3)

4(0.5)

0(0.0)

13.934

0.012

 Nearly Smooth Candida, n (%)

0(0.0)

2(0.2)

5(0.4)

10(1.1)

6(0.7)

8(1.5)

23.662

0.000