Table 3. Estimation of optimal cut-off point of grip-to-BMI ratio.
% | ||||
---|---|---|---|---|
Cut-off point | Sensitivity | Specificity | Equation | |
Girls 4–9 | 0.569 | 52.9 | 78.9 | 0.266 |
0.680 | 76.5 | 60.2 | 0.214 | |
0.711 | 94.1 | 53.4 | 0.221 | |
Girls 10–14 | 0.831 | 42.9 | 94.8 | 0.329 |
0.920 | 61.9 | 85.1 | 0.167 | |
1.091 | 81.0 | 59.1 | 0.203 | |
Boys 4–9 | 0.354 | 25.0 | 99.6 | 0.563 |
0.556 | 50.0 | 84.6 | 0.274 | |
0.721 | 75.0 | 57.7 | 0.241 | |
Boys 10–14 | 0.853 | 41.7 | 97.3 | 0.341 |
1.002 | 66.7 | 83.8 | 0.137 | |
1.040 | 91.7 | 80.2 | 0.046 |
Equation = (1—Sensitivity)2 + (1—Specificity)2