Table 3.

Regression analyses for the risk score by BMI at admission and according the BMI-Charts for adults out of the Second National Nutrition Survey—Germany [35]. The total sample of adult (≥18 y) inpatients included 2515 valid cases.

Reference Sample	BMI for Age	r	R2	ANOVA F/df	p
BMI admission		0.534	0.285	1003.08/1	<0.001
NNS	z-value	0.576	0.332	1250.65/1	<0.001
	percentile	0.232	0.054	143.41/1	<0.001
	% median	0.568	0.322	1194.91/1	<0.001

r: Correlation coefficient, R²: variance explained, ANOVA F: F-value variance analysis, p: significance variance analysis.