Skip to main content

Table 5 Characteristics of pregnancy and perinatal results according to cause of morbidity: severe respiratory disease or other causes

From: Severe maternal morbidity due to respiratory disease and impact of 2009 H1N1 influenza A pandemic in Brazil: results from a national multicenter cross-sectional study

Variables

Respiratory

Other causes

p*

 

n

%

n

%

 

Gestational age at delivery (weeks)a

   

<0.001

  < 22

20

4.5

307

3.6

 

 22–27

23

5.2

259

3.0

 

 28–33

83

18.8

1341

15.6

 

 34–36

56

12.7

1724

20.1

 

  ≥ 37

95

21.5

4427

51.7

 

 Still pregnant

164

37.2

511

6.0

 

Mode of deliveryb

    

<0.001

 Vaginal

58

12.1

2080

23.0

 

 C-section

233

48.5

5921

65.5

 

 Abortion/ ectopic pregnancy

24

5.0

521

5.8

 

 Still pregnant

165

34.4

512

5.7

 

Onset of laborc

    

<0.001

 Spontaneous

66

14.1

2652

29.6

 

 Induction

33

7.1

792

8.8

 

 No labor

179

38.3

4477

50.0

 

 Abortion

24

5.1

521

5.8

 

 Still pregnant

165

35.3

513

5.7

 

Perinatal results

     

 Apgar at 5 min <7d

38

17.7

258

3.5

<0.001

 Apgar at 5 min ≥7

177

82.3

7152

96.5

 

 Birth weight <2500 ge

142

58.9

3007

39.1

<0.001

 Birth weight ≥2500 g

99

41.1

4675

60.9

 

 Still birthf

36

13.6

352

4.5

<0.001

 Live birth

229

86.4

7504

95.5

 

Perinatal outcomeg

    

<0.001

 Neonatal death

15

7.0

178

2.5

 

 Admitted/ transferred

83

38.6

1547

21.4

 

 Hospital discharge

117

54.4

5506

76.1

 
  1. *Adjusted for design effect of cluster sampling
  2. Missing information for: a 545; b 41; c 133; d 1930; e 1632; f 1434; g 2109 cases