Table 3.
Test characteristics of TUG for identifying fallers
12s | 13s | 14s | 15s | 16s | 17s | |
n (TUG>x) | 239/114 | 183/84 | 142/60 | 102/44 | 85/27 | 66/23 |
Sensitivity | 0.44/0.37 | 0.35/0.30 | 0.26/0.20 | 0.20/0.18 | 0.17/0.11 | 0.14/0.11 |
Specificity | 0.58/0.79 | 0.69/0.86 | 0.75/0.90 | 0.83/0.94 | 0.86/0.97 | 0.90/0.98 |
PPV | 0.43/0.54 | 0.44/0.58 | 0.42/0.57 | 0.45/0.68 | 0.47/0.70 | 0.48/0.78 |
NPV | 0.60/0.65 | 0.60/0.65 | 0.59/0.63 | 0.60/0.63 | 0.60/0.62 | 0.60/0.62 |
X – cut-off for TUG. n(TUG>x) – number of subjects above cut-off. PPV – positive predictive value. NPV – negative predictive value.