Skip to main content

Table 2 Correlation of biomarkers with age, body weight, gender, sepsis, and illness severity

From: Serum and urine FGF23 and IGFBP-7 for the prediction of acute kidney injury in critically ill children

Variable Statistics sFGF23 pg/mL sIGFBP-7 ng/mL sCysC mg/L uFGF23 pg/mg uCr uIGFBP-7 ng/mg uCr uCysC ng/mg uCr
Age, months r −0.608 − 0.274 − 0.369 − 0.209 0.049 − 0.114
P < 0.001* 0.001 < 0.001* 0.012 0.556 0.175
Body weight, kg r −0.598 − 0.253 − 0.346 −0.233 0.066 −0.102
P < 0.001 0.002 < 0.001 0.005 0.433 0.224
Gender Z −0.051 −0.682 −0.077 −1.271 − 0.020 −0.444
P 0.959 0.495 0.939 0.204 0.984 0.657
Sepsis Z −2.144 −1.812 −.901 − 1.614 −2.037 −2.589
P 0.032 0.070 0.368 0.107 0.042 0.010
PRISM III score r −0.002 0.093 0.084 0.054 0.327 0.253
P 0.981 0.269 0.317 0.524 < 0.001* 0.002*
  1. PRISM III pediatric risk of mortality III, r = Spearman’s correlation coefficient; Z: The Mann-Whitney U test
  2. *P < 0.05, multivariate linear regression analysis, including variables of age, body weight, gender, and PRISM III score. Continuous variables were log-transformed in multivariate analysis