Table 4 Membrane feeding assay at the baseline and day 42 in Arjo-Didessa sugar development site and its surrounding, southwest Ethiopia (2019–2022)
Characteristics | CQ | CQ + PQ | ||
|---|---|---|---|---|
Baseline n = 19 | Day 42 n = 19 | Baseline n = 20 | Day 42 n = 20 | |
Age (in years), n (%) | ||||
 Median | 18 | 18 | 21 | 21 |
 Mean ± SD | 23.0 ± 9.8 | 23.0 ± 9.8 | 24.7 ± 12.6 | 24.7 ± 12.6 |
 5–15 | 4 (21.0) | 4 (21.0) | 6 (30) | 6 (30) |
  > 15 | 15 (78.9) | 15 (78.9) | 14 (70) | 14 (70) |
Sex, n (%) | ||||
 Female | 5 (26.3) | 5 (26.3) | 6 (30) | 6 (30) |
 Male | 14 (73.7) | 14 (73.7) | 14 (70) | 14 (70) |
Asexual parasite/μL (geometric mean) 95%CI | 3366 (1823–6211) | 6332 (4167–9623) | 4710 (2631–8431) | 948 (454–1976) |
Gametocytes/μL (geometric mean) 95%CI | 544 (329–899) | 737 (397–1369) | 415 (254–675) | 159 (55–457) |
No. of gametocyte positive individuals | 19 (100.0) | 7 (36.8) | 20 (100.0) | 5 (25.0) |
Mosquitoes | ||||
 Exposed | 1700 | 1614 | 1584 | 1464 |
 Fed | 1093 | 1101 | 918 | 722 |
Patient infectious to mosquito, n (%) | 19 (100) | 14 (73.6) | 20 (100) | 10 (50.0) |
Infected mosquitoes, n (%) | 356/710 (50.1) | 250/684 (36.5) | 275/632 (43.5) | 86/400 (21.5) |
Mean oocyst/mosquito (range) | 34.0 (1–216) | 20.6 (0–214) | 43.6 (1–215) | 5.3 (0–82) |
Range of oocyst intensity | 33–2974 | 0–1548 | 14–3725 | 0–423 |