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Table 2 Distribution of Enterobacteriaceae and associated ESBL and AmpC β- lactamases in Neonates

From: Community acquisition of β-lactamase producing Enterobacteriaceae in neonatal gut

 

Total

Day 1

Day 21

Day 60

(N = 75)

(N = 75)

(N = 75)

No. (%)

No. (%)

No. (%)

Babies colonized with a least one species

 

49 (65.3)

48 (64)

53 (70.6)

No of babies colonized with at least one ESBL producing isolate

 

7/49 (14.3)

13/48 (27.1)

22/53 (41.5)*

Total Enterobacteriaceae strains #

267

79

88

100

E.coli

219

69 (87.3)

67 (76.1)

83 (83)

Klebsiella pneumoniae

27

3 (3.8)

13 (14.8)

11 (11)

Enterobacter sp

14

2 (2.5)

7 (8)

5 (5)

Citrobacter sp

5

4 (5.1)

0

1 (1)

Salmonella. Typhi

2

1 (1.3)

1(1.1)

0

Total ESBL

55 (20.6)

7 (8.9)

17 (19.3)

31 (31)**

Total AmpC (N = 39)

53 (19.9)

16 (20.3)

12 (13.6)

25 (25)***

Co-Production of ESBL and AmpC

30 (11.2)

5 (6.3)

9 (10.2)

16 (16)****

  1. Note: Data represents Enterobacteriaceae isolates from gut of 75 healthy Low birth weight (LBW) neonates on Day 1, 21, 60 of birth.
  2. All Figures in parentheses represent percentages.
  3. # Some babies had more than one morphologically and biochemically distinct isolates.
  4. *p value 0.005 **p value 0.001 ***p value 0.2 ****p value 0.05 when compared to Day 1.