Table 1.
Clinical and epidemiological characteristics of 632 suspected dengue cases according to laboratory confirmation, recruited in Central Brazil, 2012 and 2013
| Characteristics | Laboratory confirmeda dengue cases (%) | Unconfirmed dengue cases (%) | P b |
|---|---|---|---|
| Suspected cases dengue | 452 (71.5) | 180 (28.5) | – |
| Mean age (dp) | 35.7 (17.5) | 34.8 (16.6) | 0.546 |
| Age group (years) | |||
| ≤ 1 | 2 (0.4) | 3 (1.7) | 0.288 |
| 2–15 | 48 (10.6) | 15 (8.3) | 0.371 |
| 16–39 | 233 (51.5) | 100 (55.6) | 0.320 |
| 40–59 | 118 (26.1) | 44 (24.4) | 0.629 |
| ≥ 60 | 51 (11.3) | 18 (10.0) | 0.619 |
| Gender | |||
| Female | 235 (52.0) | 88 (48.9) | 0.481 |
| Male | 217 (48.0) | 92 (51.1) | 0.481 |
| Health care settingc | |||
| Ambulatory | 340 (75.2) | 126 (70.0) | 0.178 |
| Hospital | 112 (24.8) | 54 (30.0) | 0.178 |
| Previous medical visit | 142 (31.4) | 64 (31.9) | 0.316 |
| Comorbidityd | 115 (25.4) | 48 (29.4) | 0.751 |
| Hypertension | 82 (18.1) | 30 (16.7) | 0.661 |
| Diabetes | 25 (5.5) | 11 (6.1) | 0.776 |
| Asthma | 14 (3.1) | 8 (4.4) | 0.404 |
| Chronic renal failure | 8 (1.8) | 2 (1.1) | 0.549 |
| Othersc | 15 (3.3) | 11 (7.2) | 0.669 |
| Deaths | 1 (0.2) | 1 (0.6) | 0.487 |
alaboratory confirmed dengue cases were positive by at least one of the test (RT-PCR and/or NS1 and/or IgM).
b χ 2 test
cconsidering 540 adult patient (≥ 18 years).
dlupus erythematosus; cancer; AIDS; transplantation and hepatitis B or C