Table VI.

Mortality risk according to impaired glucose metabolism (IGM) occurrence and glucose concentration based on decision exhaustive χ² automatic interaction detection (CHAID) tree analysis and theoretical groups in Cox regression models for survival time

Parameter	P-value	OR	CI 95% for OR
			Lower limit	Upper limit
IGM	< 0.01	1.52	1.20	1.93
Maximal glycaemia – categories based on CHAID decision trees ≤ 242 mg/dl	< 0.01
Maximal glycaemia – categories based on CHAID decision trees 242–324 mg/dl	< 0.01	1.56	1.19	2.05
Maximal glycaemia – categories based on CHAID decision trees > 324 mg/dl	< 0.01	2.29	1.68	3.12
Minimal glycaemia – theoretical category < 60 mg/dl	< 0.01
Minimal glycaemia – theoretical category 61–110 mg/dl	< 0.01	0.35	0.23	0.55
Minimal glycaemia – theoretical category > 110 mg/dl	0.03	0.55	0.32	0.93

CI – confidence interval, OR – odds ratio.