Skip to main content

Table 1 Clinical and epidemiological characteristics of 632 suspected dengue cases according to laboratory confirmation, recruited in Central Brazil, 2012 and 2013

From: Dengue-specific serotype related to clinical severity during the 2012/2013 epidemic in centre of Brazil

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
  1. alaboratory confirmed dengue cases were positive by at least one of the test (RT-PCR and/or NS1 and/or IgM).
  2. b χ 2 test
  3. cconsidering 540 adult patient (≥ 18 years).
  4. dlupus erythematosus; cancer; AIDS; transplantation and hepatitis B or C