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Table 1 Cohort characteristics

From: Dry season prevalence of Plasmodium falciparum in asymptomatic Gambian children, with a comparative evaluation of diagnostic methods

 

Survey Cohort

(n = 1650)

Analysis cohort

(n = 1381)

Survey vs. analysis

(p value*)

varATS-negative

(n = 1240)

varATS-positive

(n = 141)

PCR + vs. –

(p value*)

Sex (males)

n = 808 (49%)

n = 704 (51%)

0.13

n = 620 (50%)

n = 84 (60%)

0.03

Age (y)

10 (9–12)

10 (9–12)

0.75

10 (9–12)

11 (9–12)

0.16

Weight (kg)

28.2 (24.4–34)

28.0 (24.3–33.6)

0.55

28.0 (24.4–33.5)

27.7 (24-34.7)

0.80

Height (m)

1.37 (1.31–1.46)

1.37 (1.31–1.46)

0.74

1.37 (1.31–1.45)

1.36 (1.29–1.47)

0.70

Temperature (°C)

36.9 (36.7–37.1)

36.9 (36.7–37.1)

0.99

36.9 (36.7–37.1)

36.9 (36.7–37.2)

0.39

Pulse (bpm)

98 (91–107)

98 (90–107)

0.65

98 (90–107)

98 (90–104)

0.17

Oxygen saturation (%)

98 (96–98)

98 (96–98)

0.95

98 (96–98)

98 (96–99)

0.57

Day post study start

28 (15–33)

28 (15–33)

0.06

28 (12–33)

16 (15–28)

0.0005

  1. Demographic, anthropomorphic and clinical data for the entire survey cohort and the analysis cohort, sampled from 11 Dec 2017 to 18 Jan 2018 (38 days) and by malaria status, as determined by varATS qPCR. Median values shown with interquartile range (Q1–Q3)
  2. *P-values obtained from a chi-square test (binary data) or Mann–Whitney test (continuous data)