First quartile group (PA < 3.7) n = 29 | Second quartile group (3.7 ≤ PA < 4.2) n = 29 | Third quartile group (4.2 ≤ PA < 5.0) n = 29 | Fourth quartile group (PA ≥ 5.0) n = 29 | P-value among groups | |
---|---|---|---|---|---|
Age, years | 70 ± 10 | 67 ± 11 | 62 ± 11 | 58 ± 12 | < 0.001 |
Female, n (%) | 15 (52) | 13 (43) | 9 (31) | 4 (14) | 0.015 |
BMI, kg/m2 | 20.5 ± 3.2 | 24.6 ± 4.5 | 25.1 ± 5.6 | 24.6 ± 3.0 | < 0.001 |
HD vintage, years | 6.9 ± 7.6 | 7.1 ± 5.5 | 7.3 ± 4.3 | 6.0 ± 4.7 | 0.833 |
Hypertension, n (%) | 28 (97) | 29 (97) | 27 (93) | 27 (93) | 0.864 |
Diabetes mellitus, n (%) | 17 (59) | 20 (67) | 17 (59) | 11 (38) | 0.147 |
Hb, g/dL | 10.2 ± 1.2 | 10.2 ± 1.0 | 10.7 ± 1.5 | 10.9 ± 0.9 | 0.054 |
sCr, mg/dL | 8.8 ± 1.9 | 9.7 ± 2.1 | 11.6 ± 1.9 | 13.4 ± 2.4 | < 0.001 |
Alb, mg/dL | 3.6 ± 0.4 | 3.7 ± 0.2 | 3.7 ± 0.3 | 3.9 ± 0.3 | 0.005 |
P, pg/dL | 5.2 ± 1.2 | 5.8 ± 1.2 | 5.6 ± 1.1 | 6.0 ± 1.6 | 0.104 |
Ca, mg/dL | 8.6 ± 0.7 | 8.8 ± 0.8 | 9.0 ± 0.7 | 8.9 ± 0.6 | 0.129 |
K, mg/dL | 5.1 ± 0.7 | 4.8 ± 0.8 | 4.9 ± 0.5 | 5.0 ± 0.7 | 0.308 |
CRP, mg/dL | 0.58 ± 0.88 | 0.33 ± 0.44 | 0.26 ± 0.33 | 0.20 ± 0.20 | 0.045 |
Kt/V | 1.4 ± 0.3 | 1.3 ± 0.2 | 1.3 ± 0.2 | 1.3 ± 0.2 | 0.667 |
nPNA, g/kg/day | 0.8 ± 0.2 | 0.8 ± 0.1 | 0.8 ± 0.1 | 0.9 ± 0.2 | 0.088 |
EAT-10, points | 1.6 ± 4.4 | 1.3 ± 2.9 | 0.6 ± 2.8 | 0.9 ± 2.8 | 0.702 |
SNAQ, points | 14.4 ± 2.6 | 14.2 ± 3.2 | 15.0 ± 1.5 | 14.8 ± 1.6 | 0.563 |
Modified creatinine index, mg/kg/day | 19.5 ± 1.9 | 20.5 ± 2.1 | 22.0 ± 2.8 | 24.3 ± 2.4 | < 0.001 |
PA, ° | 3.0 ± 0.6 | 3.9 ± 0.2 | 4.7 ± 0.2 | 5.7 ± 0.5 | < 0.001 |
PA SDS | −2.15 ± 1.60 | −1.77 ± 1.17 | −0.56 ± 1.07 | 1.08 ± 1.14 | < 0.001 |
ECW/TBW | 51.6 ± 0.7 | 48.0 ± 2.7 | 45.3 ± 2.0 | 41.4 ± 2.2 | < 0.001 |
Handgrip strength, kg | 17.8 ± 6.2 | 22.0 ± 7.4 | 26.3 ± 7.7 | 32.9 ± 7.6 | < 0.001 |
SPPB score, points | 10.3 ± 2.1 | 10.9 ± 1.7 | 11.0 ± 1.8 | 11.6 ± 0.9 | 0.055 |