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Table 1 Bacteria and fungi isolated from patients with dacryocystitis or canaliculitis

From: Microbiological isolates and associated complications of dacryocystitis and canaliculitis in a prominent tertiary ophthalmic teaching hospital in northern China

 

Chronic dacryocystitis (Patients = 307)

Acute dacryocystitis (Patients = 111)

Canaliculitis (Patients = 59)

Total (Patients = 477)

P valuea

Gram-positive coccus (strains)

140 (27.7%)

48 (9.5%)

29 (5.7%)

217 (42.9%)b

0.761

Streptococcus pneumoniae

22 (4.3%)

2 (0.4%)

1 (0.2%)

  

Streptococcus constellatus

12 (2.4%)

5 (1.0%)

5 (1.0%)

  

Streptococcus anginosus

8 (1.6%)

1 (0.2%)

4 (0.8%)

  

Staphylococcus epidermidis

52 (10.3%)

23 (4.5%)

8 (1.6%)

  

Staphylococcus aureus

18 (3.6%)

5 (1.0%)

3 (0.6%)

  

Othersc

28 (5.5%)

12 (2.4%)

8 (1.6%)

  

Gram-negative coccus (strains)

(Neisseria or Moraxella)

13 (2.6%)

5 (1.0%)

1 (0.2%)

19 (3.7%)b

0.626

Gram-positive bacilli (strains)

52 (10.3%)

9 (1.8%)

7 (1.4%)

68 (13.4%)b

0.063

Corynebacterium macginleyi

34 (6.7%)

5 (1.0%)

7 (1.4%)

  

Othersd

18 (3.6%)

4 (0.8%)

0 (0.0%)

  

Gram-negative bacilli (strains)

96 (18.9%)

24 (4.7%)

9 (1.8%)

129 (25.5%)b

0.011

Klebsiella pneumoniae

10 (2.0%)

1 (0.2%)

2 (0.4%)

  

Pseudomonas aeruginosa

12 (2.4%)

5 (1.0%)

0 (0.0%)

  

Stenotrophomonas maltophilia

3 (0.6%)

4 (0.8%)

0 (0.0%)

  

Othere

39 (7.6%)

11 (2.2%)

4 (0.8%)

  

Eikenella corrodens

14 (2.7%)

0 (0.0%)

2 (0.4%)

  

Haemophilus influenzae

10 (2.0%)

1 (0.2%)

0 (0.0%)

  

Haemophilus parainfluenzae

8 (1.6%)

2 (0.4%)

1 (0.2%)

  

Anaerobic bacteria (strains)

39 (7.7%)

10 (2.0%)

12 (2.4%)

61 (12.1%)b

0.123

Propionibacterium acnes

14 (2.7%)

3 (0.6%)

1 (0.2%)

  

Fusobacterium nucleatum

10 (2.0%)

1 (0.2%)

3 (0.6%)

  

Actinomyces

2 (0.4%)

0 (0.0%)

2 (0.4%)

  

Otherf

13 (2.6%)

6 (1.2%)

6 (1.2%)

  

Fungi (strains)

8 (1.6%)

4 (0.8%)

0 (0.0%)

12 (2.4%)b

0.356

Candida parapsilosis

6 (1.2%)

2 (0.4%)

0 (0.0%)

  

Otherg

2 (0.4%)

2 (0.4%)

0 (0.0%)

  

Total (strains)

348 (68.8%)

100 (19.8%)

58 (11.4%)

506 (100.0%)

 
  1. aAll P values are derived from chi-square tests, based on the number of patients
  2. bThe percentage represents the proportion of different bacterial classes but does not represent genera and species
  3. cIncluding 25 strains of Streptococcus, 8 strains of Staphylococcus, 7 strains of Gemella, 3 strains of Enterococcus, 3 strains of Micrococcus, and 2 strains of Kocuria
  4. dIncluding 18 strains of Corynebacterium, 2 strains of Lactobacillus, and 2 strains of Bacillus
  5. eIncluding 25 strains of Enterobacterales, 13 strains of nonfermenters, 1 strain of Pasteurella, 2 strains of Aggregatibacter aphrophilus and 13 strains of other fastidious microorganisms
  6. fIncluding 3 strains of other Fusobacterium, 13 strains of Parvimonas, and 9 strains of other anaerobic bacteria
  7. gIncluding Candida albicans (1 strain), Fusarium moniliforme (1 strain), Fusarium solani (1 strain), and Aspergillus flavus (1 strain)
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BMC Ophthalmology

ISSN: 1471-2415

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