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Table 1 Frequency distribution of faecal coliforms and E. coli in water samples from all the tube wells (Source) and households (POU)

From: Occurrence of Escherichia coli and faecal coliforms in drinking water at source and household point-of-use in Rohingya camps, Bangladesh

 

Faecal coliforms

E. coli

Before

After

Household

Before

After

Household

No. of obs.

3186

3186

6278

3186

3186

6278

Mean (SD)

552.52 (14,773.02)

343.17 (12,027.65)

16,397.2 (253,386.2)

46.73 (877.78)

23.21 (584.14)

253.53 (12,413.4)

Range (min, max)

0, 800,000

0, 700,000

0, 18,000,000

0, 27,000

0, 24,000

0, 980,000

Geometric mean (SD of log variables)

19.88 (1.02)

22.23 (0.98)

197.51 (1.56)

9.58 (0.432)

14.29 (0.317)

16.33 (0.795)