Measurement factors | Young age group | Old age group | P value* (power of statistical results)† |
---|---|---|---|
1. Standing Ф | 52.20 ± 7.95 | 53.90 ± 15.90 | 0.631 |
2. Supine Ф | 40.16 ± 8.84 | 49.50 ± 13.12 | 0.043 (0.54) |
3. Sitting Ф (at 30°) | 39.25 ± 6.92 | 46.91 ± 12.63 | 0.143 |
4. Sitting Ф (at 60°) | 17.30 ± 7.10 | 35.02 ± 10.26 | 0.002 (0.99) |
5. Sitting Ф (at 90°) | 13.52 ± 11.61 | 27.87 ± 9.15 | 0.011 (0.89) |