Table 2. Times for STEF subtests with fingernails at 0 mm and 2 mm.
| STEF subtests | 0 mm fingernails | 2 mm fingernails | pa |
|---|---|---|---|
| Mean ± SD | Mean ± SD | ||
| Large sphere | 4.9 ± 0.5 | 4.8 ± 0.6 | |
| Middle-sized sphere | 4.6 ± 0.7 | 4.4 ± 0.5 | * |
| Large rectangular box | 6.8 ± 0.8 | 6.8 ± 0.8 | |
| Middle-sized sphere cube | 6.8 ± 0.7 | 6.6 ± 0.8 | |
| Thick wooden disk | 4.8 ± 0.8 | 4.6 ± 0.6 | |
| Small cube | 5.9 ± 0.7 | 5.6 ± 0.6 | ** |
| Thin cloth | 4.7 ± 0.7 | 4.5 ± 0.6 | |
| Thin metal disk | 9.5 ± 3.7 | 8.3 ± 0.9 | |
| Small sphere | 7.9 ± 1.1 | 8.2 ± 1.2 | |
| Pin | 10.4 ± 3.1 | 8.9 ± 1.1 | ** |
SD: standard deviation. aScores were compared between fingernails at 0 mm and 2 mm using Wilcoxon signed-rank test. *p<0.05, **p<0.01