Agreement between cystatin-C and creatinine based eGFR estimates after a 12-month exercise intervention in patients with chronic kidney disease

Table 5 Change in appendicular lean mass, total physical activity time and grip strength on change in eGFR, independent of baseline eGFR using multiple linear regression

	β	P value
Delta MDRD (r² = 0.206, p = 0.24)
Delta Appendicular lean mass	−0.15	0.45
Delta maximal grip strength	−0.39	0.06
Delta total physical activity time	0.07	0.75
Baseline MDRD	0.220	0.28
Delta CKD-EPIcr (r² = 0.181, p = 0.31)
Delta Appendicular lean mass	−0.17	0.40
Delta maximal grip strength	−0.37	0.07
Delta total physical activity time	0.07	0.73
Baseline CKD-EPIcr	0.12	0.55
Delta CKD-EPIcys (r² = 0.293, p = 0.12)
Delta Appendicular lean mass	0.07	0.73
Delta maximal grip strength	0.03	0.90
Delta total physical activity time	0.28	0.16
Baseline CKD-EPIcys	−0.43	0.04
Delta CKD-EPIcr-cys (r² = 0.157, p = 0.47)
Delta Appendicular lean mass	−0.10	0.62
Delta maximal grip strength	−0.25	0.26
Delta total physical activity time	0.17	0.45
Baseline CKD-EPIcr-cys	−0.20	0.35

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