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Table 7

Distribution of average microorganism count according to packaged water use

ParametersPump-faucet mean ± SD (min–max)Water fountain mean ± SD (min–max)p
Escherichia coli 11.10 ± 26.46 (0–104) 10.93 ± 30.37 (0–150) 0.969 
Coliform bacteria 11.10 ± 26.46 (0–104) 7.48 ± 29.60 (0–150) 0.218 
Pseudomonas 4.14 ± 11.55 (0–50) 0.006 
Clostridium perfringens 1.000 
22 °C CFU 150.05 ± 333.44 (0–1,500) 151.34 ± 364.44 (0–1,500) 0.187 
37 °C CFU 272.14 ± 485.31 (0–2,000) 213.69 ± 375.65 (0–1,400) 0.459 
ParametersPump-faucet mean ± SD (min–max)Water fountain mean ± SD (min–max)p
Escherichia coli 11.10 ± 26.46 (0–104) 10.93 ± 30.37 (0–150) 0.969 
Coliform bacteria 11.10 ± 26.46 (0–104) 7.48 ± 29.60 (0–150) 0.218 
Pseudomonas 4.14 ± 11.55 (0–50) 0.006 
Clostridium perfringens 1.000 
22 °C CFU 150.05 ± 333.44 (0–1,500) 151.34 ± 364.44 (0–1,500) 0.187 
37 °C CFU 272.14 ± 485.31 (0–2,000) 213.69 ± 375.65 (0–1,400) 0.459 
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