Table 4 Results of bivariate and multivariate analysis of co-infected group and single dengue infection and single malaria infection respectively
Outcome | Bivariate analysis | Multivariate analysis | Sensitivity (%) | Specificity (%) | |||||
|---|---|---|---|---|---|---|---|---|---|
OR* | 95% CI* | p* | OR** | 95% CI** | p** | ||||
Co-infection versus dengue | Confirmed acute dengue cases | 5.3 | 2.9-9.7 | <0.001 | 4.5 | 1.7-11.9 | 0.003 | 79.1 | 52.1 |
Males | 1.9 | 1.2-3.2 | 0.01 | 3.4 | 1.1-10.3 | 0.03 | 38.7 | 75.4 | |
Low hematocrit (<36%) | 4.3 | 2.3-8.2 | <0.001 | 8.4 | 2.2-32-5 | 0.002 | 53.5 | 74.3 | |
Deep thrombocytopenia (<50. 10 9 /L) | 13.8 | 4.1-46 | <0.001 | 11.7 | 1.7-79.2 | 0.01 | 79.3 | 71.4 | |
CRP 5 to 50 mg/L | 5.0 | 1.1-21.7 | <0.001 | 5.3 | 0.9-29.3 | 0.06 | - | - | |
CRP >50 mg/L | 75.4 | 16-356.7 | <0.001 | 74.4 | 12.2-453.3 | <0.001 | 78.4 | 85.8 | |
Co-infection versus malaria | Red cells transfusion | 7.3 | 1.5-34.7 | 0.01 | 5.3 | 1.04-26.7 | 0.04 | 72.7 | 68.1 |
Low hematocrit (<36%) | 2.2 | 1.3-3.6 | 0.002 | 2 | 1.2-3.5 | 0.009 | 46.0 | 72.6 | |
Deep thrombocytopenia (<50. 10 9 /L) | 2.2 | 1.1-4.1 | 0.02 | 2.1 | 1.02-4.1 | 0.04 | 47.9 | 69.3 | |
Low parasitic load (class < 3) | 1.8 | 0.9-3.3 | 0.08 | 2.2 | 1.08-4.3 | 0.03 | 45.4 | 68.6 | |