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Table 1 Basic characteristics of Plasmodium falciparum smear-positive participants at different altitudes along the slope of mount Cameroon, southwestern Cameroon

From: Molecular markers for artemisinin and partner drug resistance in natural Plasmodium falciparum populations following increased insecticide treated net coverage along the slope of mount Cameroon: cross-sectional study

Characteristic

All participants

MT <200 masl

MM 385–575 masl

CB ≥ 626 masl

P-value

n

Values

Age (mean ± SD) [Range] / years

246

13.6 ± 12.8 [0.5–65]

7.7 ± 8.6 (32)

14.1 ± 11.4 (160)

15.6 ± 17.1 (54)

0.014

Weight (mean ± SD) [Range] / kg

217

37.2 ± 24.7 [2.0–110.0]

22.6 ± 13.7 (30)

40.1 ± 24.5 (137)

38.2 ± 27.5 (50)

0.002

Male: Female ratio

246

47.9: 52.1

40.6: 59.4 (32)

49.7: 50.3 (159)

47.3: 52.7 (55)

0.641

Clinical phenotype (AP: UM)

244

25.2: 74.8

35.5: 64.5 (31)

21.5: 78.5 (158)

34.5: 65.5 (55)

0.076

GMPD [Range] (parasites/μl blood)

246

15,715 [1267–1,840,000]

22,387 (32)

16,254 (160)

11,216 (54)

0.081

COI (mean ± SD) [Range]

230

1.8 ± 1.1 [1–5]

2.1 ± 1.2 (29)

1.8 ± 1.1 (147)

1.7 ± 1.0 (54)

0.222

Hb (mean ± SD) [Range] / g/dl

235

10.7 ± 2.1 [6.0–19.0]

10.2 ± 2.3 (30)

10.8 ± 2.0 (154)

10.5 ± 2.1 (51)

0.254

Anaemic [% (n)] (Hb < 11 g/dl)

235

47.2 (111)

53.3 (30)

42.2 (154)

58.8 (51)

0.093

Fever in last 48 h [% (n)]

235

67.5 (155)

64.5 (31)

84.7 (150)

72.7 (55)

0.017

  1. Values in italics depeict significant p values for differences in group means or proportions; AP Asymptomatic parasitaemia, COI Complexity of infection, UM Uncomplicated malaria, GMPD Geometric mean parasite density, masl altitude (in metres) above sea level, MT Mutengene & Tiko, MM Mile 14 to Muea transect, CB Checkpoint-Molyko to Buea Town transect