Percentage of samples positive for the SA (femA) and methicillin resistance (mecA) genes based on beach-water-quality criteria for the United States (US) and European Union (EU)
| . | US RWQC . | EU coastal water-quality status . | ||||
|---|---|---|---|---|---|---|
| E. coli . | Met beach RWQC (n = 179) (%) . | Exceeded beach RWQC (n = 108) (%) . | Excellent (n = 156) (%) . | Good (n = 67) (%) . | Sufficient (n = 0) . | Poor (n = 64) (%) . |
| Positive for femA gene | 16.8 | 19.4 | 15.4 | 22.4 | NA | 18.8 |
| Positive for mecA gene | 30.7 | 20.4 | 26.3a | 38.8a | NA | 15.6a |
| Positive for femA + mecA genes | 10.1 | 8.3 | 7.7 | 13.4 | NA | 9.4 |
| Enterococci . | Met beach RWQC (n = 121) (%) . | Exceeded beach RWQC (n = 166) (%) . | Excellent (n = 60) (%) . | Good (n = 73) (%) . | Sufficient (n = 69) (%) . | Poor (n = 85) (%) . |
| Positive for femA gene | 10.8 | 22.4 | 10.0 | 24.7 | 20.3 | 15.3 |
| Positive for mecA gene | 28.3 | 25.5 | 33.3 | 26.0 | 29.0 | 21.2 |
| Positive for femA + mecA genes | 5.8 | 11.5 | 1.7 | 15.1 | 13.0 | 7.1 |
| . | US RWQC . | EU coastal water-quality status . | ||||
|---|---|---|---|---|---|---|
| E. coli . | Met beach RWQC (n = 179) (%) . | Exceeded beach RWQC (n = 108) (%) . | Excellent (n = 156) (%) . | Good (n = 67) (%) . | Sufficient (n = 0) . | Poor (n = 64) (%) . |
| Positive for femA gene | 16.8 | 19.4 | 15.4 | 22.4 | NA | 18.8 |
| Positive for mecA gene | 30.7 | 20.4 | 26.3a | 38.8a | NA | 15.6a |
| Positive for femA + mecA genes | 10.1 | 8.3 | 7.7 | 13.4 | NA | 9.4 |
| Enterococci . | Met beach RWQC (n = 121) (%) . | Exceeded beach RWQC (n = 166) (%) . | Excellent (n = 60) (%) . | Good (n = 73) (%) . | Sufficient (n = 69) (%) . | Poor (n = 85) (%) . |
| Positive for femA gene | 10.8 | 22.4 | 10.0 | 24.7 | 20.3 | 15.3 |
| Positive for mecA gene | 28.3 | 25.5 | 33.3 | 26.0 | 29.0 | 21.2 |
| Positive for femA + mecA genes | 5.8 | 11.5 | 1.7 | 15.1 | 13.0 | 7.1 |
Bold samples were statistically different based on Kruskal–Wallis test, P values <0.05.
aGood was statistically different from ‘poor’ (P = 0.003) and ‘excellent’ (P = 0.043); ‘excellent’ was not statistically different from ‘poor’.