Table 5.
Multiple logistic regression of risk factors for presence of any complication.
n | Wald | Sig. | Exp(B) | 95% CI for EXP(B) | ||
---|---|---|---|---|---|---|
Lower | Upper | |||||
| ||||||
Age category (years) | ||||||
17–45 | 128 | 10.35 | .006 | |||
46–65 | 212 | 0.05 | 0.82 | 1.06 | 0.64 | 1.76 |
>65 | 460 | 5.24 | .02 | 1.73 | 1.08 | 2.78 |
Gender | ||||||
Male | 373 | 1.00 | ||||
Female | 427 | 0.28 | 0.60 | 1.09 | 0.80 | 1.49 |
Presence of comorbidities | ||||||
Diabetes mellitus | 530 | 0.001 | 0.98 | 1.004 | 0.70 | 1.43 |
Chronic kidney disease | 175 | 2.47 | 0.12 | 1.35 | 0.93 | 1.95 |
Chronic obstructive pulmonary disease | 154 | 2.70 | 0.10 | 1.40 | 0.94 | 2.09 |
Asthma | 236 | 0.91 | 0.34 | 1.17 | 0.85 | 1.63 |
Other risk factors | ||||||
Smoker | 101 | 1.38 | 0.24 | 1.33 | 0.82 | 2.16 |
Immunocompromised | 34 | 9.36 | .002 | 4.35 | 1.70 | 11.14 |
Immunosuppressant therapy | 82 | 0.04 | 0.83 | 1.06 | 0.63 | 1.76 |
Type of pneumonia | ||||||
Community acquired | 640 | 1.00 | ||||
Hospital acquired | 160 | 20.20 | <.001 | 2.42 | 1.65 | 3.56 |
Constant | 9.89 | <.001 | 0.51 |
Omnibus tests of model coefficients: Chi-square=62.892, df=11, P<.001; −2 log likelihood: 1042.496; Cox and Snell R Square: .076; Nagelkerke R square: .101