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| NP group (n=104) | P group (n=40) | p value | |
| Age (years) | 70.4 ± 8.9 | 69.7 ± 9.7 | 0.822 |
| Hight (cm) | 154.4 ± 5.9 | 153.8 ± 6.6 | 0.851 |
| Weight (kg) | 51.3 ± 8.2 | 50.7 ± 7.1 | 0.874 |
| Body mass index (kg/m2) | 21.5 ± 3.1 | 21.4 ± 2.5 | 0.996 |
Mean ± SD. SD: Standard Deviation.
