Sensititvity1 | P2 | Specificity1 | P3 | Positive PV1 | Negative PV1 | Positive LR4 | Negative LR4 | Diagnostic OR4 | |
---|---|---|---|---|---|---|---|---|---|
2017 NG12 referral criteria (n = 1479) | 100% (97.8–100.0) | 6.8% (5.6–8.4) | 14.5% (12.8–16.5) | 100% (95.0–100.0) | 1.07 (1.06–1.09) | NE | NE | ||
CG27 referral criteria (n = 821) | 68.2% (61.5–74.3) | p < 0.001 | 50.3% (47.6–53.0) | p < 0.001 | 17.8% (15.3–20.6) | 91.0% (89.0–93.0) | 1.4 (1.2–1.5) | 0.6 (0.5–0.8) | 2.2 (1.6–2.9) |
f-Hb ≥ 20 μg Hb/g faeces (n = 607) | 91.2% (86.3–94.4) | p < 0.001 | 69.6% (67.1–72.0) | p < 0.001 | 32.3% (28.6–36.2) | 98.0% (96.9–98.8) | 3.0 (2.7–3.3) | 0.1 (0.08–0.2) | 23.6 (14.5–38.3) |
f-Hb ≥ 10 μg Hb/g faeces (n = 696) | 93.5% (89.1–96.3) | p = 0.001 | 63.4% (60.7–66.0) | p < 0.001 | 28.9% (25.6–32.4) | 98.4 (97.2–99.1) | 2.6 (2.4–2.8) | 0.1 (0.06–0.2) | 24.8 (14.3–43.2) |
COLONPREDICT Score ≥ 5.6 (n = 463) | 90.1% (85.1–93.6) | p < 0.001 | 78.7% (76.4–80.9) | p < 0.001 | 40.7% (36.2–45.3) | 98.0% (96.9–98.7) | 4.2 (3.8–4.7) | 0.1 (0.08–0.2) | 33.8 (21.1–54.0) |
COLONPREDICT Score ≥ 3.2 (n = 994) | 99.5% (97.0–100.0) | 1 | 45.8% (43.1–48.2) | p < 0.001 | 22.9% (20.3–25.8) | 99.8% (98.9–100.0) | 1.8 (1.7–1.9) | 0.01 (0.0–0.07) | 179 (25–1280) |
FAST Score ≥ 4.50 (n = 583) | 89.8% (84.7–93.3) | p < 0.001 | 71.3% (68.8–73.7) | p < 0.001 | 33.2% (29.4–37.2) | 97.8% (96.6–98.6) | 3.13 (2.84–3.44) | 0.14 (0.10–0.21) | 21.8 (13.8–34.4) |
FAST Score ≥ 2.12 (n = 1383) | 100.0% (97.8–100.0) | p = 1 | 13.9% (12.1–15.9) | p < 0.001 | 15.6% (13.7–17.6) | 100% (97.5–100.0) | 1.16 (1.14–1.19) | NE | NE |