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Table 3 Biomarker vs. age group

From: Effects of age and gender on reference levels of biomarkers comprising the pediatric Renal Activity Index for Lupus Nephritis (p-RAIL)

Variable Age = 3 - < 5 years Age = 5 - < 10 years Age = 10 - < 15 years Age = 15 - < 18 years p-value of F
N Mean SD N Mean SD N Mean SD N Mean SD  
KIM-1 (pg/ml) 92 5.68 1.01 90 5.78 0.97 92 5.94 0.91 92 6.15 0.97 0.008
NGAL (ng/ml) 93 1.42 1.47 90 1.63 1.30 92 2.08 1.17 92 2.59 1.08 0.0001
MCP-1 (pg/ml) 88 5.00 0.92 89 5.11 0.97 92 5.27 0.98 91 5.45 1.00 0.012
HPX (ng/ml) 92 6.23 0.75 90 6.40 0.65 92 6.56 0.85 92 6.48 1.22 0.082
CP (ng/ml) 92 5.77 0.76 90 6.17 0.47 92 6.20 0.61 92 6.14 0.59 0.0001
ADP (ng/ml) 77 1.95 0.98 71 2.10 0.94 82 1.96 0.98 65 1.50 1.58 0.014
Creatinine (mg/dl) 93 4.19 0.77 90 4.48 0.64 92 4.86 0.59 92 5.07 0.66 0.0001
MALB (mg/l) 92 2.20 0.73 90 2.32 0.72 92 2.72 1.09 92 2.73 1.28 0.0001
  1. -All values are natural log