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Table 1 Baseline Patients Characteristics

From: Effects of home-based exercise on pre-dialysis chronic kidney disease patients: a randomized pilot and feasibility trial

  ALL n = 28 Exercise n = 14 Control n = 14 t or χ 2 P
Age(y) 68.5 ± 6.5 69.0 ± 6.8 67.8 ± 6.9 0.4 0.67
BMI (kg/m2) 23.7 ± 3.1 24.4 ± 3.5 23.0 ± 2.5 1.2 0.25
Cause of CKD, N     3.3a 0.50
 Nephrosclerosis 14 7 7   
 Chronic glomerulonephritis 8 4 4   
 Diabetic nephropathy 2 2 0   
 Polycystic kidney disease 1 0 1   
 Unknown 3 1 2   
eGFR (ml/min/1.73 m2) 39.5 ± 11.4 37.6 ± 11.1 41.5 ± 11.8 −0.9 0.38
Urinary protein (g/gCr) 0.9 ± 1.1 0.9 ± 1.0 0.9 ± 1.4 0.2 0.80
Hemoglobin (g/dL) 13.1 ± 1.5 12.6 ± 1.7 13.6 ± 1.1 −1.9 0.07
Serum albumin (g/dL) 4.0 ± 0.3 3.9 ± 0.3 4.0 ± 0.3 −0.9 0.38
Handgrip strength(kgf) 33.6 ± 8.2 31.7 ± 7.4 35.5 ± 8.8 −1.2 0.23
knee extensor muscle strength(kgf/kg) 0.66 ± 0.16 0.65 ± 0.17 0.66 ± 0.15 −0.2 0.86
Average daily number of steps(steps/day) 7919.1 ± 3401.1 6725.3 ± 3152.4 9113.0 ± 3319.2 −1.9 0.07
Average daily energy expenditure(kcal) 215.3 ± 113.0 178.6 ± 103.9 252.0 ± 113.3 −1.8 0.09
Average daily moderate exercise time(min/day) 26.4 ± 17.8 22.6 ± 15.9 30.5 ± 19.5 −1.1 0.26
  1. Data are expressed as the means ± SD or number of patients
  2. Abbreviations: BMI body mass index, CKD chronic kidney disease, eGFR estimated glomerular filtration rate, SD standard deviation
  3. aχ2value