Table 1.
Clinical characteristics of patients on hemodialysis
| Total | Men | Women | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean ± SD | Minimum | Maximum | Mean ± SD | Minimum | Maximum | Mean ± SD | Minimum | Maximum | |
| Patients enrolled as subjects | 48 | 31 | 17 | ||||||
| Age (years) | 68.3 ± 10.7 | 45.0 | 88.0 | 69.0 ± 11.1 | 45.0 | 88.0 | 66.9 ± 10.0 | 50.0 | 83.0 |
| Height (cm) | 156.4 ± 8.3 | 138.7 | 171.2 | 160.6 ± 5.7 | 148.7 | 171.2 | 148.7 ± 6.7 | 138.7 | 161.0 |
| Body weight (dry weight) (kg) | 53.4 ± 10.0 | 32.7 | 89.4 | 56.6 ± 8.7 | 40.1 | 89.4 | 47.5 ± 9.8 | 32.7 | 71.7 |
| Body mass index (kg/m2) | 21.7 ± 3.0 | 16.6 | 30.5 | 21.9 ± 2.7 | 16.8 | 30.5 | 21.4 ± 3.6 | 16.6 | 30.2 |
| Body fat percentage (%) | 28.5 ± 9.6 | 10.2 | 50.1 | 27.2 ± 9.3 | 10.2 | 50.1 | 31.0 ± 9.8 | 14.7 | 49.2 |
| EQ-5D scores | 0.754 ± 0.177 | 0.419 | 1.000 | 0.757 ± 0.170 | 0.444 | 1.000 | 0.746 ± 0.194 | 0.419 | 1.000 |
| K6 score | 3.6 ± 3.7 | 0.0 | 16.0 | 3.6 ± 3.5 | 0.0 | 11.0 | 3.5 ± 4.2 | 0.0 | 16.0 |
| Daily step counts (steps per day) | 3770.3 ± 2065.4 | 422.4 | 9043.3 | 3569.0 ± 2093.7 | 422.4 | 8523.9 | 4137.3 ± 2022.5 | 1628.6 | 9043.3 |
| Daily step counts on hemodialysis treatment days (steps per day) | 3473.2 ± 1903.5 | 376.7 | 8944.3 | 3294.4 ± 2071.9 | 376.7 | 8944.3 | 3799.3 ± 1555.3 | 1426.3 | 7194.7 |
| Daily step counts on non-hemodialysis treatment days (steps per day) | 3993.0 ± 2407.5 | 456.8 | 10429.8 | 3774.9 ± 2345.6 | 456.8 | 9814.5 | 4390.7 ± 2539.7 | 1295.3 | 10429.8 |
| Physical activity (METs·h/w) | 8.1 ± 6.0 | 0.5 | 29.9 | 7.2 ± 6.4 | 0.5 | 29.9 | 9.7 ± 5.2 | 3.8 | 20.3 |
| Physical activity on hemodialysis treatment days (METs·h/w) | 7.2 ± 5.3 | 0.6 | 21.3 | 6.3 ± 5.4 | 0.6 | 21.3 | 8.9 ± 4.9 | 2.9 | 18.7 |
| Physical activity on non-hemodialysis treatment days (METs·h/w) | 8.8 ± 7.4 | 0.4 | 36.4 | 7.9 ± 8.1 | 0.4 | 36.4 | 10.4 ± 5.9 | 2.9 | 21.4 |
| Physical activity over 4 METs·h/w (METs·h/w) | 1.2 ± 1.4 | 0.0 | 5.6 | 1.1 ± 1.3 | 0.0 | 5.6 | 1.4 ± 1.5 | 0.2 | 5.2 |
| Physical activity over 4 METs·h/w on hemodialysis treatment days (METs·h/w) | 1.0 ± 1.4 | 0.0 | 8.8 | 0.9 ± 1.7 | 0.0 | 8.8 | 1.0 ± 0.9 | 0.0 | 3.3 |
| Physical activity over 4 METs·h/w on non-hemodialysis treatment days (METs·h/w) | 1.4 ± 1.8 | 0.0 | 8.1 | 1.2 ± 1.5 | 0.0 | 5.3 | 1.7 ± 2.1 | 0.1 | 8.1 |