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Distribution of municipal drinking water disinfectant and source water type for patients’ home addresses
| Parameter | Values |
||
|---|---|---|---|
| Total no. (%) of patients (n = 9,895) |
No. (%) of NTM- negative patients (n = 9,427) |
No. (%) of NTM- positive patients (n = 468) |
|
| Disinfectant | |||
| Chlorine | 7,682 (77.6) | 7,338 (77.8) | 344 (73.5) |
| Monochloramine | 2,213 (22.4) | 2,089 (22.2) | 124 (26.5) |
| Source water type | |||
| Surface water | 8,301 (83.9) | 7,882 (83.6) | 419 (89.5) |
| Groundwater | 1,594 (16.1) | 1,545 (16.4) | 49 (10.5) |
