Table 3.
Variables | Within Group | Between Group | Interaction Group (EG) × Time |
Interaction a
Group (EG) × Time |
||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Ref: Baseline | Ref: CG | Reference Group: (CG) × Time | Reference Group: (CG) × Time | |||||||||
ß | p | ß | p | ß | 95% C.I. | p | ß | 95% C.I. | p-Adjusted | |||
Lower | Upper | Lower | Upper | |||||||||
Dialytic parameters | ||||||||||||
Serum chemistries | ||||||||||||
Red blood cell (×10^6/uL) | 0.001 | 1.00 | −0.08 | 0.65 | −0.08 | −0.58 | 0.42 | 0.76 | −0.03 | −0.47 | 0.42 | 0.90 |
Hemoglobin (g/dL) | 0.05 | 0.89 | −0.22 | 0.51 | −0.27 | −1.13 | 0.59 | 0.54 | −0.23 | −1.03 | 0.58 | 0.58 |
Hematocrit (%) | 0.29 | 0.82 | −0.89 | 0.40 | −1.17 | −4.27 | 1.92 | 0.46 | −0.96 | −3.86 | 1.95 | 0.52 |
Mean corpuscular volume (fL) | 4.07 | 0.28 | −1.09 | 0.64 | −3.90 | −12.6 | 4.83 | 0.38 | −3.82 | −11.6 | 3.96 | 0.34 |
Albumin (g/dL) | −0.08 | 0.18 | 0.04 | 0.51 | 0.12 | −0.07 | 0.30 | 0.21 | 0.11 | −0.07 | 0.29 | 0.21 |
GPT (IU/L) | −0.25 | 0.89 | −1.53 | 0.29 | 1.25 | −2.85 | 5.35 | 0.55 | 1.42 | −2.16 | 5.01 | 0.44 |
GOT (IU/L) | 1.22 | 0.44 | −0.94 | 0.49 | 0.50 | −3.70 | 4.70 | 0.82 | 0.69 | −3.26 | 4.63 | 0.73 |
BUN (mg/dL) | 4.66 | 0.38 | −0.19 | 0.97 | 0.09 | −13.9 | 14.1 | 0.99 | 0.93 | −12.2 | 14.1 | 0.89 |
Cr (mg/dL) | 0.41 | 0.42 | 0.88 | 0.09 | −0.61 | −2.07 | 0.85 | 0.41 | −0.53 | −1.75 | 0.69 | 0.40 |
Serum electrolytes | ||||||||||||
Na (mEq/L) | 4.68 | 0.28 | 0.22 | 0.76 | −4.74 | −13.3 | 3.77 | 0.28 | −4.71 | −12.8 | 3.34 | 0.25 |
K (mEq/L) | 0.10 | 0.65 | 0.20 | 0.26 | −0.29 | −0.84 | 0.26 | 0.31 | −0.27 | −0.80 | 0.25 | 0.31 |
Ca (mg/dL) | −0.29 | 0.21 | −0.03 | 0.90 | 0.33 | −0.39 | 1.04 | 0.37 | 0.31 | −0.38 | 1.00 | 0.38 |
P (mg/dL) | 0.13 | 0.69 | 0.34 | 0.28 | −0.36 | −1.23 | 0.52 | 0.42 | −0.30 | −1.14 | 0.54 | 0.49 |
IPTH (pg/mL) | −9.09 | 0.93 | 85.38 | 0.40 | 31.49 | −220.2 | 283.2 | 0.81 | 3.5 | −227.5 | 234.5 | 0.98 |
eGFR (mL/min1.73m2) | −0.31 | 0.37 | −0.47 | 0.15 | 0.44 | −0.44 | 1.32 | 0.33 | 0.40 | −0.38 | 1.18 | 0.32 |
Cardiometabolic factors | ||||||||||||
Systolic blood pressure (mmHg) | −7.06 | 0.28 | −15.7 | 0.002 | 12.1 | −3.44 | 27.6 | 0.13 | −12.5 | −26.5 | 1.37 | 0.08 |
Diastolic blood pressure (mmHg) | 1.75 | 0.61 | 2.47 | 0.44 | −5.59 | −14.0 | 2.77 | 0.19 | −5.80 | −13.2 | 1.59 | 0.12 |
Resting heart rate (beat/min) | −0.66 | 0.79 | 0.19 | 0.93 | 0.47 | −5.74 | 6.68 | 0.88 | 0.54 | −5.29 | 6.37 | 0.86 |
Fasting blood glucose (mg/dL) | −8.94 | 0.60 | −20.3 | 0.20 | 7.16 | −29.2 | 43.5 | 0.70 | 5.80 | −27.2 | 38.8 | 0.73 |
Cholesterol (mg/dL) | 0.86 | 0.92 | 0.11 | 0.99 | −3.67 | −26.8 | 19.4 | 0.76 | −8.69 | −29.4 | 12.0 | 0.41 |
Triglyceride (mg/dL) | 6.95 | 0.74 | 12.3 | 0.63 | −5.72 | −78.4 | 67.0 | 0.88 | −4.18 | −70.3 | 61.9 | 0.90 |
Uric acid (mg/d) | −0.22 | 0.64 | 0.22 | 0.25 | −0.54 | −1.83 | 0.75 | 0.41 | −0.57 | −1.78 | 0.65 | 0.36 |
HRQL | ||||||||||||
Total mean score | −6.0 | 0.14 | −1.3 | 0.76 | 24.2 | 12.4 | 36.0 | <0.001 | 22.6 | 11.2 | 34.0 | <0.001 |
Bodily pain | 0.0 | 1.00 | −5.5 | 0.37 | 16.4 | 0.1 | 32.7 | 0.05 | 12.8 | −2.0 | 27.5 | 0.09 |
General health | −5.5 | 0.25 | −4.1 | 0.36 | 20.0 | 6.9 | 33.1 | 0.003 | 19.2 | 6.3 | 32.1 | 0.004 |
Mental health | −3.3 | 0.38 | −6.9 | 0.09 | 19.3 | 8.1 | 30.4 | 0.001 | 17.7 | 7.5 | 27.8 | 0.001 |
Physical function | −1.1 | 0.82 | −2.5 | 0.61 | 16.9 | 4.0 | 29.7 | 0.01 | 14.5 | 2.1 | 27.0 | 0.02 |
Role-emotional | −18.8 | 0.07 | 14.6 | 0.13 | 31.3 | 5.3 | 57.2 | 0.02 | 28.9 | 2.1 | 55.8 | 0.04 |
Role-physical | −18.0 | 0.08 | −3.1 | 0.76 | 57.0 | 30.8 | 83.3 | <0.001 | 63.7 | 36.3 | 91.1 | <0.001 |
Social functioning | −1.6 | 0.78 | −0.4 | 0.95 | 18.4 | 2.7 | 34.0 | 0.02 | 13.9 | −1.4 | 29.1 | 0.08 |
Vitality | 0.5 | 0.92 | −2.3 | 0.63 | 14.5 | 1.1 | 28.0 | 0.04 | 10.2 | −3.4 | 23.7 | 0.14 |
Depression status | 1.3 | 0.57 | 1.6 | 0.51 | −9.1 | −15.1 | −3.1 | 0.003 | −7.5 | −13.8 | −1.3 | 0.02 |
Note: EG, experimental group: exercise training; CG, control group: received routine usual care; ß: Regression coefficient; Analyses were performed by GEE models, with a Group × Time interaction term characterizing the intervention effect of interest; p-adjusted, a models were adjusted for sociodemographic characteristics (sex, age, educational level, marital status, current employment, body mass index, duration of hemodialysis), comorbidities (hypertension, type 2 disease, heart disease, hyperlipidemia, metabolic syndrome) and lifestyle factors (smoking and drinking).