Table 1 Comparative results of demographics in three groups of subjects
Parameters | All | High PI | Normal PI | Low PI | P value |
|---|---|---|---|---|---|
N | 112 | 37 | 31 | 44 | N/A |
Gender (male/female) | 22/90 | 5/32 | 8/23 | 10/34 | 0.427 |
Age (year) | 64.6 ± 8.6 | 65.7 ± 8.4 | 64.6 ± 8.1 | 63.7 ± 9.1 | 0.778 |
Height (cm) | 152.9 ± 7.5 | 151.4 ± 5.9 | 153.6 ± 8.0 | 153.6 ± 8.2 | 0.386 |
Weight (kg) | 58.3 ± 8.7 | 56.2 ± 7.9 | 58.4 ± 8.3 | 60.0 ± 9.4 | 2.038 |
BMI (kg/m2) | 24.9 ± 3.2 | 24.5 ± 3.0 | 24.6 ± 3.1 | 25.4 ± 3.3 | 0.457 |