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Table 2 Comparison of bacteria profile of 2 subgroups demarcated by 6 months old

From: Lacrimal sac bacteriology and susceptibility pattern in infants with congenital nasolacrimal duct obstruction in the 1st year of life: a cross-sectional study

Age

(month)

No. of cases

Positive samples

Mixed cultures

Gram staining

Dominant strains

Resistance to

levofloxacin

Pos

Neg

Pos + Neg

Streptococci

Haemophilus

Neisseria

<  6

12

11

2

7

3

1

7

2

2

1

>  6

20

17

8

9

4

4

12

6

3

3

P value

 

1.000

0.226

0.758

1.000

0.419

1.000

0.616

  1. Note: Pos positive, Neg negative. P value for Fisher exact tests