Age group

Number of risk factors*

1 vs. 0

2 vs. 0

3 vs. 0

4 vs. 0

n (%)

OR (95% IC)

n (%)

OR (95% IC)

n (%)

OR (95% IC)

n (%)

OR (95% IC)

Elderly

104 (56.5%)

1

57 (31.0%)

1

7 (3.8%)

1

0 (0%)

1

Adult

256 (47.8%)

1.88 (0.94 - 3.74)

182 (34.0%)

2.43 (1.19 - 4.97)

71 (13.3%)

7.73 (2.81 - 21.28)

5 (0.9%)

-