Table 2 Mean and standard deviation in positive and negative samples evaluated for Acanthamoeba isolates
Parameters | Positive/negative | Mean | Standard deviation | Median | Max | Min | Man-Whitney test result |
|---|---|---|---|---|---|---|---|
Temperature | + - | 17.9 13.7 | 5.05 3.95 | 19.2 15 | 26.4 23.3 | 8 8 | P = 0.06 Z = 1.8 |
pH | + - | 8.7 8.6 | 0.32 0.32 | 8.8 8.7 | 9.8 9.6 | 8.3 7.8 | P = 0.45 Z = 0.74 |
EC | + - | 1.08 0.95 | 0.94 0.62 | 0.65 0.75 | 3.19 3.06 | 0.36 0.36 | P = 0.37 Z = 0.88 |
TDS | + - | 496.3 626.6 | 132.7 341.8 | 464.5 525 | 739 1778 | 264 263 | P = 0.06 Z = 1.8 |
Turbidity | + - | 2.35 2.17 | 1.84 1.96 | 2.06 1.41 | 7.22 7.66 | 0.47 0.47 | P = 0.42 Z = 0.81 |