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Table 4 Physico-chemical characteristics of water samples

From: Water sources as reservoirs of Vibrio choleraeO1 and non-O1 strains in Bepanda, Douala (Cameroon): relationship between isolation and physico-chemical factors

Parameter Season   Sample source One-way ANOVA of means
    Stream Tap Well  Sample source  Season
       F P F P
Temperature (°C) Dry Mean ± SD 29.08 ± 0.63 27.73 ± 0.42 28.15 ± 0.45 2.301 0.105 471.5 < 0.001
   Range 28.5-29.75 27.33-28.5 27.33-29.33     
  Rainy Mean ± SD 26.17 ± 0.29 25.79 ± 0.21 26.41 ± 0.29     
   Range 26-26.5 25.5-26 25.67-27     
pH Dry Mean ± SD 6.87 ± 0.3 6.81 ± 0.15 5.96 ± 0.65 8.224 < 0.001 68.8 < 0.001
   Range 6.55-7.15 6.6-7.03 4.47-7.53     
  Rainy Mean ± SD 7.58 ± 0.28 7.17 ± 0.04 6.91 ± 0.35     
   Range 7.3-7.85 7.13-7.23 6.03-7.87     
Salinity(ppm) Dry Mean ± SD 4.4 ± 0.45 1.6 ± 0.25 4.34 ± 2.23 22.49 < 0.001 5.63 0.019
   Range 3.96-4.85 1.47-2.22 1.42-14.99     
  Rainy Mean ± SD 6.27 ± 0.57 1.79 ± 0.33 5.31 ± 1.43     
   Range 5.93-6.93 1.54-2.43 3.25-11.54     
  1. Kendall’s tau_b:
  2. Dry season: temperature and isolation of V. cholerae: +0.248, P = 0.030.
  3. pH and isolation of V. cholerae: +0.184, P = 0.094.
  4. Salinity and isolation of V. cholerae: +0.267, P = 0.015.
  5. Rainy season: temperature and isolation of V. cholerae: +0.012, P = 0.910.
  6. pH and isolation of V. cholerae: +0.090, P = 0. .379.
  7. Salinity and isolation of V. cholerae: +0.223, P = 0.028.