Source of sample | No of samples | No. of positive samples | Proportion of positive (%) | 95 % CI | |
---|---|---|---|---|---|
Lower | Upper | ||||
Breast | 40 | 26 | 65.0 | 50 | 80 |
Wing | 40 | 21 | 52.5 | 36 | 69 |
Thigh | 40 | 20 | 50.0 | 34 | 66 |
Keel | 40 | 19 | 47.5 | 31 | 64 |
Weighing scale | 40 | 16 | 40.0 | 24 | 56 |
Cutting board | 40 | 15 | 37.5 | 22 | 53 |
Total | 240 | 117 | 48.8 | 42 | 55 |