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Table 2 Prevalence and severity of anaemia, and mean haematological values as influenced by category of infection

From: Soil-transmitted helminths and plasmodium falciparum malaria among individuals living in different agroecosystems in two rural communities in the mount Cameroon area: a cross-sectional study

Infection category

n and pairs

Anaemia

Anaemia severity % (n)

Mean (SD) values of:

% (n)

Mild

Moderate

Severe

Hb (g/dL)

Hct (%)

RBC (× 1012/L)

WBC (× 109/L)

Platelet (× 109/L)

A.l only

34

61.8 (21)

50.0 (17)

11.8 (4)

0.0 (0)

11.6 (1.4)

37.2 (4.3)

4.4 (0.4)

7.8 (3.3)

199.5 (81.5)

a T.t only

12

50.0 (6)

33.3 (4)

16.7 (2)

0.0 (0)

11.4 (1.2)

36.9 (3.7)

4.3 (0.4)

7.8 (3.2)

248.3 (90.6)*

bCo-infection

9

55.6 (5)

33.3 (3)

22.2 (2)

0.0 (0)

11.1 (1.1)

35.9 (3.6)

4.2 (0.4)

7.5 (2.4)

246.9 (102.6)*

c P.f only

125

70.4 (88)

46.4 (28)

23.2 (29)

0.8 (1)

11.1 (1.7)

34.4 (5.7)

4.2 (0.6)

8.9 (3.3)

187.3 (82.2)

dSI

162

67.7 (110)

46.3 (75)

21 (34)

0.6 (1)

11.2 (1.7)

35.0 (5.5)

4.2 (0.6)

8.7 (3.3)

191.7 (82.1)

eCo-infections

25

88.0 (22)

32.0 (8)

48.0 (12)

8.0 (2)

9.8 (1.9)

30.5 (5.9)

3.8 (0.7)

6.8 (2.9)

155.8 (68.9)

fNegative

262

59.5 (156)

45.0 (118)

14.1 (37)

0.4 (1)

11.8 (1.8)

36.9 (5.9)

4.4 (0.6)

8.4 (3.4)

189.2 (82.6)

Total

450

64.2 (289)

44.9 (202)

18.4 (83)

0.9 (4)

11.5 (1.8)

35.8 (6.0)

4.3 (0.6)

8.4 (3.3)

188.1 (81.9)

P-values of pairs of comparisons

C vs f

0.039

0.068

<0.001

<0.001

0.010

0.185

0.839

d vs e

0.011

0.001

<0.001

0.001

0.007

0.005

0.065

d vs f

0.084

0.183

0.001

0.001

0.059

0.224

0.965

e vs f

0.001

<0.001

<0.001

<0.001

<0.001

0.019

0.049

  1. Abbreviations: A.l Ascaris lumbricoides, P.f Plasmodium falciparum, SI single infection, T.t Trichuris trichiura; vs: versus
  2. a T.t only = single infection with T.t
  3. bCo-infection = infection with A.l and T.t
  4. c Single infection with P.f
  5. dSI = infection with eitherP.f,A.l or T.t
  6. eCo-infections = infection with P.f and A.l or P. f and T.t or P.f, A.l and T.t
  7. fNegative = individuals negative for all infections
  8. a*: Difference in mean platelet count for those infected with T. trichiura only and negative as determined by the Mann-Whitney U test (P = 0.01)
  9. b*: Difference in mean platelet count for those infected with A. lumbricoides plus T. trichiura and those negative by Mann-Whitney U test (P = 0. 047)
  10. Comparisons of pairs of proportions of anaemia prevalence of C vs f; d vs e; d vs f and e vs f by χ 2
  11. Comparisons of pairs of proportions of anaemia severity of C vs f; d vs e; d vs f and e vs f by χ 2
  12. Comparison of pairs of mean haematological values of Hb, Hct, RBC, WBC and platelets counts of C vs f; d vs e; d vs f and e vs f by Mann-Whitney U test
  13. P-values in bold are statistically significant