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Comparison of frequency distribution of clades between wastewater and human isolates
| Clade | Wastewater isolates (%)a (n = 70) | Human isolates (%)a (n = 147) | P value | Significance |
|---|---|---|---|---|
| A | 44 (63) | 17 (12) | 3.93 × 10−15 | <0.001 |
| B | 20 (29) | 11 (7) | 3.33 × 10−5 | <0.001 |
| C0 | 1 (1) | 3 (2) | 0.75 | NSb |
| C1 | 4 (6) | 50 (34) | 6.56 × 10−6 | <0.001 |
| C2 | 1 (1) | 66 (45) | 9.21 × 10−11 | <0.001 |
Percentage of total is given in parentheses.
NS, not significant.
