Skip to main content

Table 1 Characteristics of the reproductive aged women registered with dengue fever according to their pregnancy status

From: Clinical outcomes of dengue virus infection in pregnant and non-pregnant women of reproductive age: a retrospective cohort study from 2016 to 2019 in Paraná, Brazil

 

Pregnant women

N = 949 (%)

Non-pregnant women

N = 26,656 (%)

OR [CI 95%]

p-value

Year of notification

 2016

502 (52.9)

13,206 (49.5)

REFk

 

 2017

10 (1.1)

310 (1.2)

0.85 [0.45–1.60]

0.6129

 2018

12 (1.2)

280 (1.1)

1.13 [0.63–2.02]

0.6873

 2019

425 (44.8)

12,860 (48.2)

0.87 [0.76–0.99]

0.0369

Racea

 White

689 (72.6)

19,393 (72.8)

REF

 

 Black

216 (22.8)

6091 (22.9)

1.00 [0.85–1.17]

0.9813

 Others

8 (0.9)

298 (1.1)

0.76 [0.37–1.53]

0.4375

Educationb

 Incomplete P. E.c

29 (3.1)

803 (3.0)

REF

 

 Incomplete S. E.d

122 (12.9)

3502 (13.1)

0.97 [0.64–1.46]

0.8640

 Complete S. E.e

553 (58.3)

14,873 (55.8)

1.03 [0.70–1.51]

0.8807

Age (years)

 10–19

152 (16.0)

5266 (19.8)

REF

 

 20–29

461 (48.6)

7120 (26.7)

2.24 [1.86–2.70]

0.0000

 30–39 years

256 (27.0)

7385 (27.7)

1.20 [0.98–1.47]

0.0782

 40–49 years

80 (8.4)

6885 (25.8)

0.40 [0.31–0.53]

0.0000

Macroregions

 Eastern

150 (15.8)

2739 (10.3)

  

 Western

269 (28.4)

7928 (29.7)

0.71 [0.58–0.86]

0.0007

 Northern

244 (25.7)

8581 (32.2)

0.52 [0.42–0.64]

0.0000

 Northeastern

286 (30.1)

7408 (27.8)

0.62 [0.51–0.76]

0.0000

Comorbidities

 Presence of at least one comorbidity? (Y/N)

50 (5.3)

1278 (4.8)

1.10 [0.83–1.48]

0.5024

 Diabetes

16 (1.7)

297 (1.1)

1.52 [0.92–2.53]

0.1046

 Hematological diseasesf

6 (0.6)

111 (0.4)

1.52 [0.67–3.47]

0.3181

 Liver diseasesg

2 (0.2)

119 (0.5)

0.47 [0.12–1.91]

0.2916

 Chronic kidney disease

3 (0.3)

90 (0.3)

0.94 [0.30–2.97]

0.9131

 Hypertension

25 (2.6)

804 (3.0)

0.87 [0.58–1.30]

0.4987

 Acid-peptic diseases

3 (0.3)

120 (0.5)

0.70 [0.22–2.21]

0.5457

 Autoimmune diseasesh

4 (0.4)

121 (0.5)

0.93 [0.34–2.52]

0.8838

Laboratory diagnosis test

 Submit to at least one diagnostic test? (Y/N)

726 (82.6)

16,067 (66.7)

2.37 [1.99–2.83]

0.0000

Serotype identificationi

 DENV-1

71 (42.3)

1058 (43.2)

REF

 

 DENV-2

80 (47.6)

1260 (51.4)

0.95 [0.68–1.32]

0.7421

 DENV-3

0 (0.0)

2 (0.1)

0.00

k

 DENV-4

17 (10.1)

132 (5.4)

1.92 [1.10–3.36]

0.0223

Characteristic signs and symptoms

 Fever

513 (54.1)

16,900 (63.4)

0.68 [0.60–0.77]

0.0000

 Myalgia

523 (55.1)

16,771 (62.9)

0.72 [0.64–0.82]

0.0000

 Headache

540 (56.90

17,208 (64.6)

0.73 [0.64–0.83]

0.0000

 Exanthema

212 (22.3)

6086 (22.8)

0.97 [0.83–1.14]

0.7244

 Vomiting

177 (18.7)

4350 (16.3)

1.18 [1.00–1.39]

0.0568

 Nausea

288 (30.4)

9081 (34.1)

0.84 [0.73–0.97]

0.0175

 Back pain

247 (26.0)

8427 (31.6)

0.76 [0.66–0.88]

0.0003

 Conjunctivitis

14 (1.5)

812 (3.0)

0.48 [0.28–0.81]

0.0064

 Arthritis

87 (9.2)

2895 (10.9)

0.83 [0.66–1.04]

0.0993

 Severe arthralgia

15 (15.8)

5034 (18.9)

0.81 [0.68–0.96]

0.0173

 Petechiae

82 (8.6)

2522 (9.5)

0.91 [0.72–1.14]

0.3956

 Leukopenia

52 (5.5)

1704 (6.4)

0.85 [0.64–1.13]

0.2581

 Tourniquet test

48 (5.1)

1859 (7.0)

0.71 [0.53–0.95]

0.0228

 Retro-orbital pain

294 (31.0)

9633 (36.1)

0.79 [0.69–0.91]

0.0012

Level of severity classification

 Dengue

928 (97.8)

26,314 (98.7)

REF

 

 Dengue with warning signs

17 (1.8)

321 (1.2)

1.51 [0.92–2.46]

0.1027

 Severe dengue

4 (0.4)

21 (0.1)

5.40 [1.85–15.77]

0.0020

Hospitalizationj

 Hospitalized? (Y/N)

107 (13.9)

1100 (5.2)

2.93 [2.37–3.63]

0.0000

Outcome

 Death

0

12 (0.1)

0.00

m

  1. Bold indicates that the p-value less than 0.20
  2. aData was missing in 874 (3.3%) notifications
  3. bData was missing in 7723 (28.0%) notifications
  4. cIncomplete primary education
  5. dIncomplete secondary education
  6. eComplete secondary education
  7. fAnemia, macrocytosis, hemolytic anemia, leukemia, lymphoma, trombocytopenia
  8. gHepatitis, fatty liver disease, hepatobiliary disorders, etc.
  9. hLupus erythematosus, rheumatoid arthritis, multiple sclerosis, chronic autoimmune thyroiditis, etc.
  10. iSerotype was identified in 168 pregnant women and in 2452 non-pregnant women
  11. jInformation about hospitalizations was available in 21,850 (79.2%) notifications
  12. kREF: variable used as reference for calculating OR
  13. lThere were no cases of DENV-3 identified among pregnant women
  14. mThere were no deaths among pregnant women