Table 1.
Estimated number of Disability-Adjusted Life Years (DALYs) lost every year (without intervention) in high-risk groups and the number averted by preventive chemotherapy by 2015 and by 2020.
| category | STH burden (2010): DALYs lost for STH without intervention. (thousands). | DALYs averted in 2015** by PC 2010-2015 (thousands). | DALYs expected to be averted in 2020** by PC 2010-2020 (thousands). |
|---|---|---|---|
| STH (in children) | 1,262 | 549 (44%) | 909 (73%) |
| A. lumbricoides | 539 | 284 (53%) | 408(76%) |
| T. trichiura | 150 | 61 (41%) | 108 (72%) |
| Hookworms | 571 | 204 (36%) | 393 (69%) |
| By high-risk group | |||
| Pre-school children (all species) | 396 | 180 (45%) | 295 (74%) |
| A. lumbricoides | 249 | 124 (50%) | 190 (76%) |
| T. trichiura | 30 | 14 (45%) | 24 (76%) |
| Hookworms | 116 | 41 (35%) | 81 (69%) |
| School-age children (all species) | 862 | 368 (43%) | 613 (71%) |
| A. lumbricoides | 287 | 158 (55%) | 215 (75%) |
| T. trichiura | 121 | 48 (40%) | 86 (71%) |
| Hookworms | 454 | 163 (36%) | 312 (69%) |
| by region | |||
| AFR* (all species) | 488.8 | 211.4 (43%) | 353.2 (72%) |
| A. lumbricoides | 224.5 | 119.4 (53%) | 172 (76%) |
| T. trichiura | 51.5 | 15.6 (30%) | 35.6 (69%) |
| Hookworms | 212.8 | 76.3 (36%) | 145.4 (68%) |
| Pre-school children | 178.8 | 88.0 (49%) | 142.9 (80%) |
| School age children | 310.0 | 123.4 (40%) | 210.2 (68%) |
| AMR* (all species) | 106.7 | 33.1 (31%) | 69.8 (65%) |
| A. lumbricoides | 36.1 | 12.8 (35%) | 24.6 (68%) |
| T. trichiura | 21.7 | 9.2 (42%) | 16.1 (74%) |
| Hookworms | 48.9 | 10.9 (22%) | 29.7 (59%) |
| Pre-school children | 27.9 | 7.7 (28%) | 18.1 (365%) |
| School age children | 78.8 | 25.3 (32%) | 51.6 (65%) |
| SEAR* (all species) | 381.7 | 220.6 (58%) | 302.3 (79%) |
| A. lumbricoides | 172.1 | 109.6 (64%) | 133.9 (78%) |
| T. trichiura | 27.2 | 18.1 (67%) | 23.2 (86%) |
| Hookworms | 182.5 | 92.8 (51%) | 145.1 (80%) |
| Pre-school children | 107.1 | 44.7 (42%) | 72.5 (68%) |
| School age children | 274.6 | 175.8 (64%) | 232.7 (84%) |
| EUR* (all species) | 3.5 | 1.1 (31%) | 3.1 (87%) |
| A. lumbricoides | 3.5 | 1.1 (31%) | 3.1 (87%) |
| T. trichiura | 0.018 | 0 | 0.011 (60%) |
| Hookworms | 0.002 | 0 | 0.001 (50%) |
| Pre-school children | 1.7 | 0.6 (35%) | 1.7 (100%) |
| School age children | 1.9 | 0.4 (21%) | 1.2 (65%) |
| EMR* (all species) | 76.1 | 28.2 (37%) | 54.9 (72%) |
| A. lumbricoides | 58.5 | 25.5 (44%) | 44.6 (77%) |
| T. trichiura | 1.9 | 0.3 (16%) | 1.1 (64%) |
| Hookworms | 15.7 | 2.4 (15%) | 9.1 (58%) |
| pre-school children | 35.6 | 23.5 (66%) | 30.7 (86%) |
| school age children | 40.5 | 4.7 (12%) | 24 (60%) |
| WPR* (all species) | 205.1 | 55.2 (27%) | 127 (62%) |
| A. lumbricoides | 44.2 | 15.3 (35%) | 29.3 (67%) |
| T. trichiura | 49.2 | 18.4 (37%) | 32.7 (66%) |
| Hookworms | 111.7 | 21.5 (19%) | 64.9 (57%) |
| Pre-school children | 48.3 | 16.8 (35%) | 31 (64%) |
| School age children | 156.8 | 38.3 (24%) | 95.8 (61%) |
*
AFR = African Region, AMR = The Americas Region, EMR = Eastern Mediterranean Region, EUR = European region, SEAR = South East Asia Region, WPR = Western Pacific Region
**
Compared to 2010 DALY