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Table 1 Characteristics of study participants across three screening campaigns

From: Lessons learned from the use of HRP-2 based rapid diagnostic test in community-wide screening and treatment of asymptomatic carriers of Plasmodium falciparum in Burkina Faso

 

Campaign 1

Campaign 2

Campaign 3

Number of participants

5,633

5,718

6,154

Mean age (years)

24.4

23.9

23.0

Number (%) of females

2,617 (46.5)

2,664 (46.6)

2,863 (46.5)

Prevalence of P. falciparum infection (by microscopy), n (%)

   

  0- <5

689 (12.2)

205 (3.6)

193 (3.1)

  5-9

971 (17.2)

318 (5.6)

271 (4.4)

  10-14

841 (14.9)

253 (4.4)

218 (3.5)

  ≥15

1,080 (19.1)

294 (5.1)

230 (3.7)

  Overall

3,581 (63.6)

1,070 (18.7)

912 (14.8)

Prevalence of P. falciparum infection (by HRP-2 test), n (%)

   

  0- <5

606 (10.8)

238 (4.1)

86 (1.4)

  5-9

734 (13.0)

175 (3.0)

52 (0.8)

  10-14

674 (12.0)

114 (2.0)

49 (0.8)

  ≥15

1,060 (18.8)

336 (5.9)

190 (3.1)

  Overall

3,074 (54.6)

863 (15.1)

377 (6.1)

Frequency of P. falciparum infection by density cut-offs (parasites/μl), n (%)

   

  1-99

798 (22.3)

272 (25.4)

258 (28.3)

  100-499

1,013 (28.3)

370 (34.6)

301 (33.0)

  500-999

599 (16.7)

182 (17.0)

148 (16.2)

  1,000-4,999

877 (24.5)

199 (18.6)

165 (18.1)

  ≥5,000

294 (8.2)

47 (4.4)

40 (4.4)

  Overall

3,581 (100.0)

1,070 (100.0)

912 (100.0)

Geometric mean P. falciparum density in positives by age (parasites/μl)

   

  0- <5

1,348

702

756

  5-9

795

482

387

  10-14

406

273

241

  ≥15

168

127

111

  Overall

470

315

291

  1. Age was considered at cluster initiation. Percentages in prevalence subgroups are based on the total number of subjects in the respective subgroup.