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Table 2 Correlations between circulating Ghrelin level and growth related parameters in AIS patients and controls (Ghrelin concentrations were normalized with a square root transformation)

From: Fasting total ghrelin levels are increased in patients with adolescent idiopathic scoliosis

  AIS (n=49) Control (n=15)  
  R p R p p†
Age (years) 0.19 0.20 −0.60 0.02 0.006
Weight (kg) 0.01 0.97 −0.31 0.26 0.31
Height (cm) −0.04 0.79 −0.35 0.21 0.32
cHeight (cm) −0.08 0.59 −0.35 0.21 0.38
BMI (kg/m2) 0.02 0.91 −0.27 0.33 0.36
cBMI (kg/m2) 0.04 0.80 −0.27 0.33 0.33
BMI Z-score −0.08 0.60 −0.07 0.81 0.98
cBMI Z-score −0.04 0.79 −0.07 0.81 0.94
  1. R represents Pearson’s correlation coefficients for normative data. † Correlation coefficients comparison after Fisher’s z transformation. Corrected height (cHeight), corrected BMI (cBMI), corrected BMI Z-score (cBMI Z)