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Table 3 Malaria-positive smears in 12 study sites in Mauritania

From: Malaria in three epidemiological strata in Mauritania

Zone/study sites

Subjects (n)

Plasmodium species (n, %)

All Plasmodium spp. (n, %)

P. falciparum

P. vivax

P. ovale

P. malariae

Sahelian

1056

8 (0.76)

5 (0.47)

1 (0.09)

14 (1.33)

  2011

350

3 (0.86)

3 (0.86)

6 (1.71)

  2012

369

  2013

337

5 (1.48)

2 (0.59)

1 (0.30)

8 (2.37)

 Keurmassen

  2011

50

1 (2.00)

1 (2.00)

  2012

50

  2013

117

1 (0.85)

1 (0.85)

 Boghé

  2011

101

1 (0.99)

1 (0.99)

  2012

101

 

  2013

114

1 (0.88)

1 (0.88)

2 (1.75)

 Gouraye

      

   2011

99

1 (1.01)

2 (2.02)

3 (3.03)

   2012

99

 

   2013

74

1 (1.35)

1 (1.35)

2 (2.70)

 Ghabou

  2011

100

1 (1.00)

1 (1.00)

  2012

119

  2013

32

2 (6.25)

1 (3.12)

3 (9.38)

Sahelo-Saharan

1330

62 (4.66)

16 (1.20) a

5 (0.38)

83 (6.24)*

  2011

407

18 (4.42)

12 (2.95)

3 (0.74)

33 (8.11)

  2012

451

  

  2013

472

44 (9.32)

4 (0.85)

2 (0.42)

50 (10.59)

 Kobeni

  2011

105

3 (2.86)

4 (3.81)

2 (1.90)

9 (8.57)

  2012

111

 

  2013

129

18 (13.95)

1 (0.78)

19 (14.73)

 Tamcheket

     

  2011

102

2 (1.96)

6 (5.88)

1 (0.98)

9 (8.82)

  2012

105

 

  2013

105

5 (4.76)

4 (3.81)a

9 (8.57)

 Kankossa

  2011

104

8 (7.69)

2 (1.92)

10 (9.62)

  2012

109

  2013

124

12 (9.68)

1 (0.81)

13 (10.48)

 Nbeika

  2011

96

5 (5.21)

5 (5.21)

  2012

126

  2013

114

9 (7.89)

9 (7.89)

Saharan

1059

1 (0.09)

43 (4.06)

2 (0.19)

46 (4.34)*

  2011

424

1 (0.24)

26 (6.13)

 

29 (6.84)

  2012

348

3 (0.86)

2 (0.47)

3 (0.86)

  2013

287

14 (4.88)

14 (4.88)

 Teyarettb

  2011

109

1 (0.92)

15 (13.76)

2 (1.83)

18 (16.51)

  2012

116

3 (2.59)

 

3 (2.59)

  2013

109

8 (7.34)

8 (7.34)

 Darnaimb

  2011

119

9 (7.56)

9 (7.56)

  2012

125

  2013

119

5 (4.20)

5 (4.20)

 Aoujeft

  2011

146

2 (1.37)

2 (1.37)

  2012

107

  2013

59

1 (1.69)

1 (1.69)

 Akjoujt

  2011

50

  2012

ND

     

  2013

ND

     
  1. Overall data obtained in each zone, followed by data from each study site, are presented. The total numbers of malaria-positive individuals in each zone are in italics. Dash denotes n = 0. ND, not done. Asterisks (*) denote statistically significant difference (P < 0.05) in the proportions of malaria-positive smears between sahelian zone and both the sahelo-Saharan and Saharan zones. Malaria positivity rate between sahelo-Saharan and Saharan zones did not differ significantly (P = 0.052). The difference in malaria positivity rate was statistically significant (P < 0.05) between the ‘hot’ dry season 2012 (3 of 1168; 0.26 %) and ‘cool’ dry season 2011 (68 of 1181; 5.76 %) or rainy season in 2013 (72 of 1096; 6.57 %), but not between 2011 and 2013 (P = 0.473)
  2. aIncluding two children with mixed P. falciparum-P. vivax infections
  3. bTeyarett and Darnaim are districts in Nouakchott, the capital city of Mauritania