Table 5.
Values of positive predictive value (PPV), negative predictive value (NPV), sensitivity (SEN), specificity (SPE), and accuracy (ACC) for 3 feature settings (F/A/R)
| SYM test (F/A/R) | ASYM test (F/A/R) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| NH/NH | ML/ML | HL/HL | NL/ML | NL/HL | ML/NL | ML/HL | HL/NL | HL/ML | |
| PPV | 65.5/65.5/58.3 | 44.7/61.8/54.6 | 47.4/57.5/55.7 | 57.0/67.7/61.9 | 44.9/56.3/50.0 | 55.2/59.1/55.4 | 58.0/65.1/63.5 | 56.7/67.7/67.9 | 54.3/63.1/59.3 |
| NPV | 61.2/61.2/57.7 | 45.3/59.5/55.4 | 47.6/55.8/55.3 | 60.8/66.3/63.2 | 45.9/54.2/50.0 | 54.0/57.1/55.6 | 61.7/67.0/68.2 | 57.3/65.4/70.2 | 54.7/59.5/60.9 |
| SEN | 55.0/55.0/56.0 | 42.0/55.0/59.0 | 45.0/50.0/54.0 | 69.0/65.0/65.0 | 40.0/45.0/41.0 | 48.0/52.0/56.0 | 69.0/69.0/73.0 | 59.0/63.0/72.0 | 57.0/53.0/64.0 |
| SPE | 71.0/71.0/60.0 | 48.0/66.0/51.0 | 50.0/63.0/57.0 | 48.0/69.0/60.0 | 51.0/65.0/59.0 | 61.0/64.0/55.0 | 50.0/63.0/58.0 | 55.0/70.0/66.0 | 52.0/69.0/56.0 |
| ACC | 63.0/63.0/58.0 | 45.0/60.5/55.0 | 47.5/56.5/55.5 | 58.5/67.0/62.5 | 45.5/55.0/50.0 | 54.5/58.0/55.5 | 59.5/66.0/65.5 | 57.0/66.5/69.0 | 54.5/61.0/60.0 |
Unit = %
F fixed-feature, A adjusted-feature, R recommended-feature