Table 4 Crude and age, sex, comorbidity and severity of illness-adjusted odds ratios (95% confidence intervals) for the association of acute kidney injury and hospital mortality stratified by two-year intervals from the Australia New Zealand Intensive Care Society Adult Patient Database 1996–2005

Crude

4.80 (4.5–5.1)

6.03 (5.2–7.0)

6.47 (5.5–7.6)

4.74 (4.1–5.4)

3.94 (3.5–4.5)

4.11 (3.6–4.7)

Age and sex adjusted

4.41 (4.1–4.7)

5.63 (4.9–6.5)

6.05 (5.2–7.1)

4.40 (3.8–5.1)

3.56 (3.1–4.0)

3.73 (3.3–4.2)

Age, sex and comorbidity adjusted

4.28 (4.2–4.6)

5.29 (4.6–6.1)

5.90 (5.0–6.9)

4.21 (3.7–4.8)

3.54 (3.1–4.0)

3.66 (3.2–4.2)

Age, sex, comorbidity and severity adjusted

1.42 (1.3–1.5)

1.47 (1.2–1.7)

1.48 (1.2–1.8)

1.59 (1.3–1.9)

1.25 (1.1–1.5)

1.39 (1.2–1.6)

Adjusted odds ratio^a

1.39 (1.3–1.5)

1.54 (1.3–1.9)

1.64 (1.3–2.0)

1.38 (1.2–1.6)

1.20 (1.02–1.4)

1.33 (1.1–1.6)