Table 3. The predictions by the Fuzzy expert system; TP: True positive; FP: False positive; FN: False negative; TN: true negative.
| Predicted Risk | PPH | No PPH |
|---|---|---|
| Positive Test Result | 47 (TP) | 207 (FP) |
| Negative Test Result | 4 (FN) | 1447 (TN) |
| Total | 51 | 1654 |
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