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Table 1 Quantitative enumeration (log transformed) of enterococci collected from sites (n = 5) located on river Gomti in up-to-down-stream fashion

From: Multiplex PCR based genotypic characterization of pathogenic vancomycin resistant Enterococcus faecalis recovered from an Indian river along a city landscape

Sampling site CFU/100 mL water
[Median 95 % CI (lower–upper)]
MPN index/100 mLwater
95 % CI (lower–upper)a
p valueb
Site 1 2.18 (2.16–2.21) 1.11 (0.70–1.58) <0.0001***
Site 2 3.84 (3.83–3.84) 2.15 (1.78–2.56)
Site 3 4.66 (4.65–4.67) 2.48 (2.00–3.11)
Site 4 4.89 (4.89–4.90) 2.95 (2.48–3.46)
Site 5 5.84 (5.84–5.84) 3.20 (2.78–3.72)
Controlc ND ND
  1. ND not detected
  2. *** Statistically significant at alpha < 0.05
  3. aLower 95 % CI–upper 95 % CI is adopted from Table 9221.IV, Section 9221C. Estimation of bacterial density, APHA (1998); log transformed values shown in the Table 1; See Additional file 1: Table S1 for details
  4. b p value was calculated using Chi square test for trend, χ2 = 1636; df = 1
  5. cSterile Milli Q water used as control