Table 4 Water quality test and most probable number test of water samples associated with water outage in Taiwan, 2004-2006
From: Water outage increases the risk of gastroenteritis and eyes and skin diseases
Normal period | Outage period | 10-day lag period | p value | ||
|---|---|---|---|---|---|
n (%) | n (%) | n (%) | |||
Water quality test (day) | Yes | 339 (22.2) | 94 (25.8) | 456 (22.1) | 0.29 |
No | 1186 (77.8) | 271 (74.2) | 1606 (77.9) | ||
Unqualified rate (%) | 0.18 | 0.69 | 0.66 | 0.31 | |
MPN test (day) | Yes | 168 (11.0) | 45 (12.3) | 195 (9.46) | 0.13 |
No | 1357 (89.0) | 320 (87.7) | 1867 (90.5) | ||
Unqualified rate (%) | 0.03 | 0 | 0 | 0.38 | |
mean ± sd. | 2.84 (9.84) | 2.16 (5.08) | 2.54 (8.82) | 0.47 |