TABLE 3.
Unadjusted odds ratios | p-value | Adjusted* odds ratios | p-value | |
---|---|---|---|---|
Body mass index categories | ||||
<18.5 | 1.49 (0.74–3.00) | 0.3 | 1.13 (0.54–2.39) | 0.7 |
18.5–25 (reference) | 1.00 | – | 1.00 | – |
25–30 | 0.91 (0.52–1.60) | 0.7 | 0.94 (0.52–1.69) | 0.8 |
> = 30 | 0.39 (0.19–0.81) | 0.01 | 0.46 (0.22–0.97) | 0.04 |
Age > 65 years | 3.27 (1.74–6.14) | <0.001 | 2.33 (1.18–4.60) | 0.02 |
Impaired function | 3.39 (1.95–5.87) | <0.001 | 2.95 (1.64–5.30) | <0.001 |
Pneumovax | 0.57 (0.33–0.99) | 0.05 | 0.39 (0.22–0.70) | 0.002 |
Abnormal chest radiograph | 1.96 (1.04–3.69) | 0.04 | 1.84 (0.95–3.55) | 0.07 |
Pneumonia Severity Index Class IV/V | 9.66 (3.86–24.2) | <0.001 | 7.11 (2.75–18.38) | <0.001 |
c-statistic for model = 0.78, p <0.001; Hosmer-Lemeshow goodness-of-fit test, p 0.92.