Criteria | Risk threshold % | True negativea | False negativeb | False positivec | True positived | Sensitivity, % | Specificity, % | Positive predictive value, % | Negative predictive value, % |
---|---|---|---|---|---|---|---|---|---|
Current symptoms | |||||||||
Haematuria | n/a | 948 712 | 421 | 17 347 | 1201 | 74.0 | 98.2 | 6.5 | 100.0 |
Abdominal pain | n/a | 873 164 | 1440 | 92 895 | 182 | 11.2 | 90.4 | 0.2 | 99.8 |
Appetite loss | n/a | 962 735 | 1616 | 3324 | 6 | 0.4 | 99.7 | 0.2 | 99.8 |
Weight loss | n/a | 956 816 | 1584 | 9243 | 38 | 2.3 | 99.0 | 0.4 | 99.8 |
Anaemia | n/a | 956 328 | 1554 | 9731 | 68 | 4.2 | 99.0 | 0.7 | 99.8 |
Risk threshold | |||||||||
Top 10% risk | 0.1 | 879 247 | 210 | 86 812 | 1412 | 87.1 | 91.0 | 1.6 | 100.0 |
Top 5% risk | 0.3 | 926 176 | 316 | 39 883 | 1306 | 80.5 | 95.9 | 3.2 | 100.0 |
Top 1% risk | 7.7 | 958 483 | 707 | 7576 | 915 | 56.4 | 99.2 | 10.8 | 99.9 |