Table 3.

Multivariable linear regression analysis showing the association with admission blood ketone level (mmol/l) in patients not receiving insulin

	Univariable analysis		Multivariable analysis
Variable	estimate (95 % CI)	P value	estimate (95 % CI)	P value
Blood glucose level, per mmol/l	0.03 (−0.04 to 0.10)	0.35	0.03 (−0.05 to 0.12)	0.44
HbA1c, per %	0.16 (−0.08 to 0.40)	0.18	0.16 (−0.10 to 0.42)	0.21
Blood lactate, per mmol/l	0.02 (−0.08 to 0.12)	0.72	0.05 (−0.08 to 0.19)	0.41
Hematocrit, per %	−0.02 (−0.06 to 0.03)	0.38	−0.03 (−0.08 to 0.01)	0.15
Catecholamine infusion
No	Referent		Referent
Yes	−0.19 (−0.67 to 0.29)	0.43	−0.57 (−1.30 to 0.16)	0.12
Cardiopulmonary bypass surgery
No	Referent		Referent
Yes	0.44 (−0.02 to 0.91)	0.06	0.67 (−0.03 to 1.37)	0.06
APACHE III score (tertile)
23–49	Referent		Referent
50–69	−0.68 (−1.23 to −0.13)	0.02	−0.41 (−1.14 to 0.33)	0.27
70–122	−0.30 (−0.85 to 0.25)	0.28	−0.29 (−0.54 to 1.12)	0.49

HbA1c glycated hemoglobin A1c, APACHE Acute Physiology and Chronic Health Evaluation