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Table 3 Correlation coefficients for indices of CONUT score, SPICES score, CCI, and CFS

From: Evaluation of frailty status and prognosis in patients aged over 75 years with chronic kidney disease (CKD)

  CONUT score SPICES score CCI CFS
CONUT score 1 0.348 (P < 0.001) 0.156 (P = 0.006) 0.299 (P < 0.001)
SPICES score 0.348 (P < 0.001) 1 0.244 (P < 0.001) 0.505 (P < 0.001)
CCI 0.156 (P = 0.006) 0.244 (P < 0.001) 1 0.166 (P = 0.003)
CFS 0.299 (P < 0.001) 0.505 (P < 0.001) 0.166 (P = 0.003) 1