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Table 1 Age groups and gender wise distribution of DEC pathotypes in children and adults

From: A study of virulence and antimicrobial resistance pattern in diarrhoeagenic Escherichia coli isolated from diarrhoeal stool specimens from children and adults in a tertiary hospital, Puducherry, India

DEC infection types

DEC pathotypes

Genes

DEC infection in children (n = 45)

DEC infection in adults (n = 18)

Gender

Age in months (median* (IQR) − 12 (5.25–24))

Gender

Age in years (mean [± SD] − 44.74 [±15.24])

Male

Female

0–12

13–24

25–36

37–48

49–60

Male

Female

18–24

25–36

37–48

49–85

Single DEC infection

Typical EPEC

eaeA and bfpA

2

1

2

1

0

0

0

0

0

0

0

0

0

Atypical EPEC

eaeA

3

2

2

2

1

0

0

1

3

0

1

1

2

bfpA

5

8

7

6

0

0

0

5

1

0

1

3

2

ETEC

lt&st

0

0

0

0

0

0

0

3

0

0

1

1

1

lt

2

4

3

3

0

0

0

0

0

0

0

0

0

st

0

0

0

0

0

0

0

0

1

0

0

0

1

EAEC

aggR

3

2

2

3

0

0

0

1

1

0

2

0

0

EIEC

ial

0

3

1

2

0

0

0

0

0

0

0

0

0

STEC

stx1

4

0

2

2

0

0

0

1

0

1

0

0

0

DEC Co-infection

Atypical EPEC + Atypical EPEC

eaeA + bfpA

1

0

0

1

0

0

0

0

0

0

0

0

0

EAEC + EIEC

aggR + ial

1

0

0

0

0

0

1

0

0

0

0

0

0

Atypical EPEC + STEC

bfpA + stx1

1

0

0

0

0

0

1

0

0

0

0

0

0

EPEC/ETEC (Hybrid DEC Strain) + atypical EPEC

eaeA/bfpA/lt + bfpA

0

0

0

0

0

0

0

1

0

0

0

0

1

Hybrid DEC infection

EAEC/EPEC

aggR/bfpA

2

0

2

0

0

0

0

0

0

0

0

0

0

EAEC/EIEC

stx1/ial

1

0

0

0

0

1

0

0

0

0

0

0

0

Total

25

20

21

20

1

1

2

12

6

1

5

5

7

(n = 45; p value ≤ 0.01)

(n = 18; p value ≤ 0.01)

  1. DEC diarrhoeagenic E. coli, EPEC enteropathogenic E. coli, ETEC enterotoxigenic E. coli, EAEC enteroaggregative E. coli, STEC Shiga toxin-producing E. coli, EIEC enteroinvasive E. coli, NTEC necrotoxigenic E. coli, CDEC cell-detaching E. coli, IQR interquartile range, SD stranded deviation
  2. *Age expressed in median (non-normally distribution)