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Table 1 Characteristics of the study population and infection parameters

From: Epidemiological and entomological studies of malaria transmission in Tibati, Adamawa region of Cameroon 6 years following the introduction of long-lasting insecticide nets

Parameters

2015

2017

Health centers (symptomatics)

Community (asymptomatics)

Sample size

418

949

Median age, years (IQR)

15 (3–30)

12 (6–23)

Infections per age group, n (%):

 < 5 years

83 (58.5)

110 (62.1)

 5–15 years

40 (58.8)

310 (71.4)

 > 15 years

52 (25)

157 (46.4)

 Total number persons infected

175 (41.8)

577 (60.8)

Plasmodium infections, n (%)

 P. falciparum

173 (98.8)

441 (76.4)

 P. malariae

1 (0.6)

39 (6.8)

 P. ovale

1 (0.6)

1 (0.2)

Co-infections

0

96 (16.6)

Mean trophozoite density (/µl) (SD)

34,164 (63,541)

5964 (18,429)

Mean gametocyte density (/µl) (SD)

6199 (18,956)

38.75 (97.2)

  1. IQR interquartile, SD standard deviation