Table 4.

Multivariate correlations of proportion of DG

Dependent Variable →Proportion of Preprandial Ghrelin in the
DG Form [DG/(AG+DG)]Proportion of Postprandial Ghrelin in the
DG Form [DG/(AG+DG)]
Partial Correlates ↓Spearman Partial-Correlation, rsp (95% CI)P ValueSpearman Partial-Correlation, rp (95% CI)P Value
CKD stage0.55 (0.30 to 0.76)<0.0010.43 (0.10 to 0.68)0.01
Age0.04 (−0.35 to 0.36)0.790.04 (−0.23 to 0.35)0.78
IL60.08 (−0.25 to 0.37)0.620.14 (−0.15 to 0.42)0.38
Leptin−0.11 (−0.43 to 0.23)0.47−0.05 (−0.42 to 0.31)0.77
TNFα−0.25 (−0.45 to 0.17)0.340.04 (−0.26 to 0.34)0.82
Insulin−0.04 (−0.41 to 0.31)0.810.04 (−0.27 to 0.38)0.79
  • Spearman rank partial-correlations (rsp) for identifying unique bivariate relationships between the proportion of ghrelin in the des-acyl form and CKD stage, age, IL6, leptin, TNFα, and insulin. DG, des-acyl ghrelin; AG, acyl grehlin; 95% CI, 95% confidence interval.