Table 1. Isolates with slight indentation.
| Serial No | Reading of | No of isolates | Organism | Interpretation | |
|---|---|---|---|---|---|
| MHT | RMHT | ||||
| 1 | Negative | Negative | 208 | 102 EC, 80 KP, 24 CF, 1 CK, 1EA | Negative |
| 2 | Negative | Slight indentation(+) | 4 | 1EC,3KP | Indeterminate |
| 3 | Slight indentation(+) | Slight indentation(+) | 6 | 3EC,3KP | Indeterminate |
| 4 | Negative | Definite indentation(++) | 3 | 3EC | Positive |
| 5 | Slight indentation(+) | Definite indentation(++) | 11 | 6EC, 2KP, 2CF, 1EA | Positive |
| 6 | Definite indentation(++) | Definite indentation(++) | 8 | 3EC, 2KP, 3CF | Positive |
| 7 | Definite indentation(++) | Strong indentation(+++) | 2 | 2EC | Positive |
| Total positive | 24 | ||||
EC: Escherichia coli, KP:Klebsiella pneumoniae, CF: Citobacter freundii, CK: Citrobacter koseri , EA: Enterobacter aerogenes