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Table 1 Haemoglobin levels in relation with age

From: Impact of Plasmodium falciparum infection on the frequency of moderate to severe anaemia in children below 10 years of age in Gabon

Age (months)

Na

Mean Hb (SDb) g/dL

Anaemia prevalencec n (%)

Severe anaemia n (%)

Moderate anaemia n (%)

Mild anaemia n (%)

Non anaemic n (%)

1–5

456

8.7 ± 2.4

387 (84.9)

39 (8.6)

97 (21.3)

251 (55.0)

69 (15.1)

6–11

1113

8.4 ± 2.5

957 (86.0)

135 (12.1)

285 (25.6)

537 (48.3)

156 (14.1)

12–23

1998

8.0 ± 2.5

1781 (89.1)

263 (13.2)

602 (30.1)

916 (45.8)

217 (10.9)

24–35

1378

8.4 ± 2.3

1212 (88.0)

116 (8.4)

435 (31.6)

661 (48.0)

166 (12.0)

36–47

878

8.5 ± 2.3

748 (85.2)

82 (9.4)

241 (27.4)

425 (48.4)

130 (14.8)

48–59

611

9.0 ± 2.4

496 (81.3)

47 (7.6)

144 (23.6)

306 (50.1)

114 (18.7)

60–71

441

9.0 ± 2.4

343 (77.8)

33 (7.5)

101 (22.9)

209 (47.4)

98 (22.2)

72–83

341

9.5 ± 2.2

249 (73.0)

11 (3.2)

66 (19.4)

172 (50.4)

93 (27.0)

84–95

295

9.7 ± 2.1

208 (70.5)

7 (2.4)

52 (17.6)

149 (50.5)

87 (28.8)

96–107

230

9.6 ± 2.2

171 (74.3)

8 (3.5)

38 (16.5)

125 (54.3)

59 (25.6)

108–119

428

9.7 ± 2.6

277 (64.7)

28 (6.5)

68 (15.9)

181 (42.3)

151 (35.3)

Total

8169

8.6 ± 2.5

6830 (83.6)

769 (9.4)

2129 (26.1)

3932 (48.1)

1339 (16.4)

  1. a: Number of patients; b Standard deviation; c Prevalence in the whole population