Research Article
Imported Malaria in Portugal 2000–2009: A Role for Hospital Statistics for Better Estimates and Surveillance
Table 3
Prevalence and lethality considering predefined comorbidities, on univariate and multivariate analysis.
| Variables | Prevalence | Lethality | (%) | (%) | OR unadjusted (CI) | | OR adjusted (CI) | |
| Female gender | 587 (29%) | 9 (1.7%) | 0.829 (0.401–1.712) | 0.612 | 0.993 (0.410–2.403) | 0.987 | Age > 64 | 119 (5.94) | 12 (10) | 7.713 (3.802–15.648) | <0.001† | 5.374 (2.139–13.498) | <0.001 | Malaria related to pregnancy | 37 (1.84) | 2 (5.4) | 2.979 (0.691–12.849) | 0.161† | | | HIV infection | 50 (2.50) | 3 (6) | 3.399 (1.011–11.430) | 0.071† | 2.766 (0.477–16.030) | 0.256 | Other infections | 145 (7.24) | 10 (6.9) | 4.672 (2.230–9.789) | <0.001† | 2.543 (0.852–7.591) | 0.094 | Pneumonia | 78 (3.89) | 9 (11.5) | 8.239 (3.767–18.022) | <0.001† | 1.035 (0.373–2.872) | 0.947 | Respiratory failure | 89 (4.44) | 26 (29) | 60.349 (29.626–122.935) | <0.001† | 32.794 (13.163–81.703) | <0.001 | Chronic obstructive pulmonary disease | 35 (1.75) | 0 (0) | — | — | — | — | Diabetes mellitus | 92 (4.60) |
6 (6.5) | 3.970 (1.620–9.730) | 0.008† | 2.103 (0.661–6.694) | 0.208 | Arterial hypertension | 139 (6.94) | 5 (3.6) | 2.008 (0.773–5.219) | 0.188† | | | Renal failure | 90 (4.50) | 17 (18.9) | 20.017 (10.195–39.302) | 0.001† | 3.590 (1.471–8.759) | 0.005 | Anemia | 426 (21.27) | 11 (2.6) | 1.466 (0.724–2.970) | 0.285 | | | Thrombocytopenia | 374 (18.67) | 8 (2.1) | 1.127 (0.514–2.471) | 0.766 | | |
|
|
Fisher exact test due to small expected values.
|