Table 3 The G8 screening test: sensitivity, specificity, and cut-off values
Criterion | Sensitivity | 95% CI | Specificity | 95% CI | PPV | 95% CI | NPV | 95% CI |
|---|---|---|---|---|---|---|---|---|
The G8 sensitivity and specificity for different cutoff values about probable sarcopenia | ||||||||
≤11 | 28.57 | 13.2–48.7 | 93.75 | 82.8–98.7 | 72.7 | 43.5–90.2 | 69.2 | 63.8–74.2 |
≤12 | 42.86 | 24.5–62.8 | 91.67 | 80.0–97.7 | 75.0 | 51.7–89.4 | 73.3 | 66.4–79.3 |
≤12.5a | 50.00 | 30.6–69.4 | 91.67 | 80.0–97.7 | 77.8 | 56.1–90.6 | 75.9 | 68.2–82.1 |
≤13 | 53.57 | 33.9–72.5 | 85.42 | 72.2–93.9 | 68.2 | 49.9–82.2 | 75.9 | 67.6–82.7 |
≤14 | 78.57 | 59.0–91.7 | 54.17 | 39.2–68.6 | 50.0 | 41.0–59.0 | 81.2 | 67.1–90.2 |
The G8 sensitivity and specificity for different cutoff values about abnormal CGA | ||||||||
≤12.5 | 33.33 | 21.1–47.5 | 100.00 | 84.6–100.0 | 100.0 | 37.9 | 33.6–42.5 | |
≤13 | 40.74 | 27.6–55.0 | 100.00 | 84.6–100.0 | 100.0 | 40.7 | 35.5–46.2 | |
≤14b | 79.63 | 66.5–89.4 | 95.45 | 77.2–99.9 | 97.7 | 86.3–99.7 | 65.6 | 52.8–76.5 |
≤15 | 79.63 | 66.5–89.4 | 81.82 | 59.7–94.8 | 91.5 | 81.4–96.3 | 62.1 | 48.2–74.2 |
≤16 | 90.74 | 79.7–96.9 | 59.09 | 36.4–79.3 | 84.5 | 76.6–90.1 | 72.2 | 51.3–86.5 |
The G8 sensitivity and specificity for different cutoff values about abnormal CGA and probable sarcopenia | ||||||||
≤12 | 73.33 | 44.9–92.2 | 91.80 | 81.9–97.3 | 68.7 | 47.4–84.3 | 93.3 | 85.8–97.0 |
≤12.5 | 86.67 | 59.5–98.3 | 91.80 | 81.9–97.3 | 72.2 | 52.3–86.0 | 96.6 | 88.5–99.0 |
≤13c | 93.33 | 68.1–99.8 | 86.89 | 75.8–94.2 | 63.6 | 47.5–77.2 | 98.1 | 88.8–99.7 |
≤14 | 100.00 | 78.2–100.0 | 52.46 | 39.3–65.4 | 34.1 | 28.4–40.2 | 100.0 | |
≤15 | 100.00 | 78.2–100.0 | 47.54 | 34.6–60.7 | 31.9 | 27.0–37.3 | 100.0 | |