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Table 3 Changes in renal function and exercise capacity

From: Association between chronic kidney disease and physical activity level in patients with ischemic heart disease

  Stage G1-G2 CKD
(n = 95)
Stage G3-G4 CKD
(n = 87)
P a
eGFR (mL/min/1.73 m2)
 At baseline (hospital discharge) 75.8 ± 13.1 45.1 ± 13.7 <0.001
 At 3 months 73.3 ± 13.1 47.1 ± 15.6 <0.001
 Δ eGFR (mL/min/1.73 m2) −2.47 ± 11.2 2.02 ± 13.5 0.03
6-min walk distance (m)
 At baseline (hospital discharge) 477.9 ± 99.8 460.4 ± 99.8 0.2
 At 3 months 535.9 ± 100.6 495.2 ± 116.6 0.01
 Δ 6-min walk distance (m) 58.1 ± 59.6 34.8 ± 63.5 0.01
  1. Values are expressed as mean ± standard deviation
  2. CKD chronic kidney disease, eGFR estimated glomerular filtration rate
  3. aComparison between stage G1-G2 and stage G3-G4