Table 5 Diagnostic values for the G8 and KG-7 at different cut-off values
From: Comparison of two frailty screening tools in older patients with colorectal cancer
| Â | cut-off value | Sensitivity, % (95% CI) | Specificity, % (95% CI) | PPV, % (95% CI) | NPV, % (95% CI) |
|---|---|---|---|---|---|
G8 | ≤ 12 | 52.4 (36.4–68.0) | 98.4 (91.3–100.0) | 95.7 (75.5–99.4) | 75.3 (68.9–80.8) |
|  | ≤ 13 | 61.9 (45.6–76.4) | 91.9 (82.2–97.3) | 83.9 (68.5–92.6) | 78.1 (70.6–84.1) |
|  | ≤ 14 | 90.5 (77.4–97.3) | 90.3 (80.1–96.4) | 86.4 (74.6–93.2) | 93.3 (84.6–97.3) |
|  | ≤ 15 | 95.2 (83.8–99.4) | 46.8 (34.0-59.9) | 54.8 (48.7–60.7) | 93.5 (78.5–98.3) |
KG-7 | ≤ 4 | 28.6 (15.7–44.6) | 100.0 (94.2–100.0) | 100.0 (-) | 67.4 (63.1–71.4) |
|  | ≤ 5 | 83.3 (68.6–93.0) | 72.6 (59.8–83.1) | 67.3 (57.3–75.9) | 86.5 (76.3–92.8) |