Table 1.
Characteristics of study participants and RDT results
| Amhara | Gambella | Tigray | Overall | |
|---|---|---|---|---|
| Participants, n | 3,879 | 2,335 | 6,357 | 12,572 |
| Age, median years (IQR) | 20 (10–28) | 12 (5–19) | 21 (9–37) | 19 (8–30) |
| Female, n (%) | 1,492 (38.5) | 1,055 (45.2) | 3,008 (47.3) | 5,555 (44.2) |
| Location, n (%) | ||||
| Rural | 2,350 (60.6) | 923 (39.5) | 4,445 (69.9) | 7,718 (61.4) |
| Urban | 1,282 (33.0) | 82 (3.5) | 1,609 (25.3) | 2,973 (23.6) |
| Missing | 247 (6.4) | 1,330 (57.0) | 303 (4.8) | 1,881 (15.0) |
| Fever, n (%) | 3,607 (93.0) | 2,255 (96.6) | 5,593 (88.0) | 11,455 (91.1) |
| CareStart RDT, n (%) | ||||
| HRP2+, Pv-LDH+ | 59 (1.5) | 509 (21.8) | 25 (0.4) | 593 (4.7) |
| HRP2+ only | 1,053 (27.1) | 165 (7.1) | 507 (8.0) | 1,725 (13.7) |
| Pv-LDH+ only | 241 (6.2) | 11 (0.5) | 338 (5.3) | 590 (4.7) |
| Negative | 2,518 (64.9) | 1,650 (70.7) | 5,486 (86.3) | 9,654 (76.8) |
| Invalid | 8 (0.2) | 0 (0.0) | 1 (0.0) | 9 (0.1) |
| SD Bioline RDT, n (%) | ||||
| HRP2+, Pf-LDH+ | 719 (18.5) | 552 (23.6) | 276 (4.3) | 1,547 (12.3) |
| HRP2+ only | 297 (7.7) | 106 (4.5) | 201 (3.2) | 604 (4.8) |
| Pf-LDH+ only | 239 (6.2) | 11 (0.5) | 168 (2.6) | 418 (3.3) |
| Negative | 2,609 (67.3) | 1,665 (71.3) | 5,705 (89.7) | 9,979 (79.4) |
| Invalid | 15 (0.4) | 0 (0.0) | 2 (0.0) | 17 (0.1) |
Pv-LDH, P. vivax parasite LDH; Pf-LDH, P. falciparum parasite LDH.