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Table 1 Characteristics of the study groups

From: Prevalence of Plasmodium falciparum infection in pregnant women in Gabon

 

Number of women (n= 311)

Primigravidae (n= 217)

Secundigravidae (n= 94)

P a

Age mean years, (SD)b

19 (3.33)

19 (3.31)

21 (2.93)

< 0.001

Age of pregnancy mean, months (SD)

4 (1.3)

4 (1.2)

4 (1.4)

 

Thick blood smear

    

Negative Noc, (%)

134 (43)

78 (36)

56 (60)

 

Positive No, (%)

177 (57)

139 (64)

38 (40)

< 0.001

Lowd No, (%)

92 (52)

66 (47)

26 (68)

 

Moderate No, (%)

75 (42)

64 (46)

11 (29)

 

High No, (%)

10 (6)

9 (6)

1 (3)

 

Parasitaemia e

    

Median [IQR]f

930 [348–2808]

1050 [510–3060]

434 [149–2008]

0.002

Haemoglobin

    

Mean g/dl, (SD)

10.2 (1.4)

10.1 (1.4)

10.3 (1.3)

NSg

Non anaemic No, (%)

90 (29)

61 (28)

29 (31)

 

Anaemic No, (%)

221 (71)

156 (72)

65 (69)

NS

Lowh No, (%)

157 (71)

108 (69)

49 (75)

 

Moderate No, (%)

59 (27)

45 (29)

14 (22)

 

Severe No, (%)

5 (2)

3 (2)

2 (3)

 

EpHb i

    

AA No, (%)

248 (80)

   

AS No, (%)

56 (18)

   

AC No, (%)

7 (2)

   

Fever

    

yes No, (%)

84 (27)

   

no No, (%)

227 (73)

   

Chemoprophylaxis

    

yes No, (%)

17 (5)

   

no No, (%)

294 (95)

   
  1. aP values for comparison between primigravidae and multigravidae. b Standard Deviation. c Number of pregnant women. d for definitions of parasitaemia see Patients and Methods. e parasitaemia in parasitaemic women. f interquartile range. g Not significant. h for definitions of anaemia see Patients and Methods. i Electrophoresis of Hb.