Table 1 Distribution of water samples from hospitals in Tehran, Iran
Hospital (No. of samples) | Water samples (n = 198) | ||
|---|---|---|---|
Positive | Negative | Contaminated | |
No. 1 (n = 56) | 52 (92.8%) | 3 (5.4%) | 1 (1.8%) |
No. 2 (n = 56) | 36 (64.3%) | 15 (26.8%) | 5 (0.9%) |
No. 3 (n = 22) | 10 (45.5%) | 10 (45.5%) | 2 (9.0%) |
No. 4 (n = 22) | 8 (36.4%) | 14 (63.6%) | 0 (0.0%) |
No. 5 (n = 22) | 8 (36.4%) | 12 (54.5%) | 2 (9.1%) |
No. 6 (n = 20) | 14 (70.0%) | 5 (25.0%) | 1 (5.0%) |