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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Inflamm Bowel Dis. 2011 Feb 1;17(11):2318–2325. doi: 10.1002/ibd.21617

Table 5.

Assessment of Inflammatory Markers, Nutrition Markers, and Sex Hormone Z Scores as Predictors of IGF Z Scores

Outcome
Marker IGF-1
CA- Z		 IGF-1
BA-Z		 IGFBP-3
CA- Z		 IGFBP-3
BA-Z
ESR *ΔR2 10.0 9.1 5.5 5.6
P Val** .002 .02 .07 .14
CRP ΔR2 17.1 13.7 3.5 3.6
P Val .0001 .003 .07 .11
Albumin ΔR2 6.7 19.5 0.2 0.0
P Val .01 .001 .65 .95
BMI ΔR2 10.7 3.2 0.2 0.2
P Val .007 .16 .67 .70
Sex
Hormone Z 		ΔR2 13.1 11.3 11.3 0.4
P Val .002 .007 .004 .62
*

ΔR2 is the increase in R2 when the marker is added to a baseline model for the outcome, including sex and Tanner stage as predictors in the baseline model.

**

Likelihood ratio test