Table 1 Participant characteristics base upon median gait speed or grip strength (N = 108).
From: Plasma metabolites and physical function in patients undergoing hemodialysis
Subject characteristics | All | Gait speed < 0.82 m/s | Gait speed ≥ 0.82 m/s | p | Below sex-specific median grip strength | At or Above sex-specific median grip strength | p |
|---|---|---|---|---|---|---|---|
Age, mean ± SD | 53 ± 14 | 58 ± 13 | 49 ± 13 | 0.002 | 59 ± 13 | 49 ± 13 | < 0.001 |
Male, n (%) | 54 (50%) | 19 (35%) | 35 (65%) | 0.004 | 27 (55%) | 27 (46%) | 0.44 |
Race, n (%) | 1.000 | 0.27 | |||||
Black | 82 (77%) | 41 (50%) | 41 (50%) | 34 (41%) | 48 (59%) | ||
White | 22 (21%) | 11 (50%) | 11 (50%) | 13 (59%) | 9 (41%) | ||
Other | 2 (2%) | 1 (1%) | 1 (1%) | 1 (50%) | 1 (50%) | ||
Ethnicity, Hispanic, n (%) | 8 (7%) | 3 (38%) | 5 (63%) | 0.72 | 3 (38%) | 5 (63%) | 0.73 |
BMI, mean ± SD | 28 ± 7 | 28 ± 7 | 28 ± 6 | 0.99 | 26 ± 6 | 29 ± 7 | 0.049 |
Residual Renal Function/ Producing Urine, Yes/No/Not Listed | 90/5/13 | 49/1/4 | 40/4/10 | 0.812 | 40/5/3 | 42/9/9 | 0.365 |
Days since first outpatient dialysis treatment, mean ± SD | 101 ± 50 | 101 ± 52 | 101 ± 48 | 0.97 | 97 ± 48 | 105 ± 51 | 0.42 |
Dialysis Access Permanent/Cath/Not Listed | 40/56/12 | 22/30/2 | 18/26/10 | 0.889 | 19/27/2 | 23/27/10 | 0.643 |
Dialysis Dose_Kt/v | 1.59 ± 0.40 | 1.66 ± 0.43 | 1.53 ± 0.36 | 0.202 | 3.60 ± 0.57 | 3.71 ± 0.49 | 0.366 |
Albumin | 3.67 ± 0.53 | 3.62 ± 0.57 | 3.70 ± 0.50 | 0.49 | 1.61 ± 0.34 | 1.58 ± 0.36 | 0.767 |
Diabetic nephropathy as ESRD cause, n (%) | 36 (33%) | 24 (66%) | 12 (33%) | 0.024 | 19 (53%) | 17 (47%) | 0.31 |
Overall Health Utility Index, mean ± SD | 0.8 ± 0.2 | 0.7 ± 0.2 | 0.8 ± 0.2 | 0.023 | 0.8 ± 0.2 | 0.8 ± 0.2 | 0.13 |
Walking aid, n (%) | 16 (15%) | 16 (100%) | 0 (0%) | < 0.0001 | 6 (38%) | 10 (63%) | 0.71 |
Diabetes mellitus, n (%) | 47 (44%) | 27 (57%) | 20 (43%) | 0.24 | 24 (51%) | 23 (49%) | 0.34 |
Cardiovascular disease, n (%) | 53 (49%) | 29 (55%) | 24 (45%) | 0.34 | 31 (58%) | 22 (42%) | 0.01 |
Hypertension, n (%) | 97 (90%) | 47 (48%) | 50 (52%) | 0.53 | 44 (45%) | 53 (55%) | 1.000 |
History of Cerebrovascular Disease, n (%) | 15 (14%) | 11 (73%) | 4 (27%) | 0.09 | 10 (66%) | 5 (33%) | 0.09 |
Peripheral vascular disease, n (%) | 17 (16%) | 10 (59%) | 7 (41%) | 0.60 | 8 (47%) | 9 (53%) | 1.000 |
Smoker, current or past, n (%) | 48 (44%) | 28 (58%) | 20 (42%) | 0.24 | 27 (56%) | 21 (44%) | 0.053 |
