Table 2 Risk of influenza A/H1N1 infection in relation to clinical data

HCV

5.5

0.001*

3.2 (1.2–8.5)

Renal disease

3.4

0.032*

3.4 (0.9–13.6)

Respiratory disease

7.1

0.004*

3.5 (1.4–9.0)

CVD

0.1

0.403

0.9 (0.3–2.3)

Hypertension

0.3

0.308

0.8 (0.3–2.1)

Cancer

1.0

0.155

3.1 (0.3–31.1)

Diabetes

25.2

0.0002*

9.3 (3.7–23.4)

TB

9.5

0.001*

8.4 (1.8–39.7)

Smoking history

3.0

0.040*

0.5 (0.2–1.1)

PaO₂

6.4

0.006*

0.3 (0.1–0.8)

Mortality

4.9

0.014*

7.9 (0.9–67.4)

ICU

5.7

0.009*

2.9 (1.2–7.1)