Table 6

Adjusted ICU and hospital mortality by severity of hypoglycemia in mechanically ventilated surgical admissions [5]

Blood glucose category

(mmol/L)

ICU mortality

Adjusted OR^§ (95% CI)

Hospital mortality

Adjusted OR^‡ (95% CI)

<2.0

6.0 (2.9 to 12.4)

6.4 (3.1 to 13.4)

2.1–2.4

1.2 (0.6 to 2.7)

1.2 (0.6 to 2.5)

2.5–2.9

1.7 (0.9 to 3.2)

1.9 (1.1 to 3.3)

3.0–3.4

1.8 (1.2 to 2.8)

1.7 (1.2 to 2.5)

3.5–3.9

1.6 (1.1 to 2.3)

1.5 (1.1 to 2.1)

4.0–4.4

1.1 (0.8 to 1.5)

1.1 (0.8 to 1.4)

≥ 4.5^¶

1.0

1.0

APACHE = Acute Physiology and Chronic Health Evaluation; AuROC = area under the receiver operator characteristic curve; CI = confidence interval; ICU = intensive care unit; OR = odds ratio.

¶ Reference variable

§ Goodness-of-fit, P = 1.0; AuROC 0.87.

‡ Goodness-of-fit, P = 1.0; AuROC 0.84.

§‡ Covariate adjustment for age, sex, surgical status, primary diagnosis, co-morbid illness, non-age-related APACHE II score, mechanical ventilation, acute kidney injury, year, and hospital site.

For conversion of blood glucose from SI to conventional units divide by 0.05551.

Bagshaw et al. Critical Care 2009 13:R91   doi:10.1186/cc7921