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Table 1 Summary of available survey data as of end June 2011, by world region, spatial resolution, time period, age group and sample size

From: Global numbers of infection and disease burden of soil transmitted helminth infections in 2010

   Spatial resolution1 Time period Age group Sample size
World region Total Point District Province National Pre 2000 Post 2000 NR2 <5 SAC Adults Comm NR2 <50 50-1000 >1000 NR2
Asia 1140 - 863 248 29 437 883 240 3 529 34 256 318 265 595 120 160
Central Asia 24 - 7 11 6 2 23 1 0 11 0 10 3 0 17 7 0
East Asia 69 - 0 68 1 3 37 30 0 0 0 34 35 0 4 60 5
South Asia 239 - 195 41 3 99 171 62 2 150 6 66 15 59 160 9 11
Southeast Asia 838 - 661 158 19 333 682 147 1 368 28 176 265 206 414 74 144
Latin America (LA) and the Caribbean 672 - 523 69 80 262 264 265 6 157 3 296 210 46 329 148 149
Caribbean 103 - 27 23 53 37 82 11 1 35 0 34 33 3 66 34 0
Andean LA 51 - 38 7 6 32 43 8 0 37 0 10 4 12 33 3 3
Central LA 213 - 186 19 8 138 22 64 3 11 0 190 9 16 95 95 7
Southern LA 21 - 19 0 2 5 10 11 0 2 0 13 6 3 16 2 0
Tropical LA 284 - 253 20 11 50 107 171 2 72 3 49 158 12 119 14 139
North Africa and the Middle East 163 - 124 29 10 17 52 109 0 42 3 32 86 4 120 37 2
Oceania 46 - 39 0 7 12 39 0 0 35 0 11 0 9 30 7 0
Sub-Saharan Africa (SSA) 4582 4079 373 71 59 1989 3583 60 6 3700 19 854 4 1023 3521 39 0
Central SSA 74 18 48 7 1 49 69 0 0 68 2 4 0 2 70 2 0
East SSA 2929 2747 134 11 37 1204 2518 14 5 2417 9 494 4 610 2300 19 0
Southern SSA 120 45 75 14 3 76 71 15 0 98 0 22 0 51 68 1 0
West SSA 1460 1270 133 39 18 660 925 31 1 1117 8 334 0 360 1083 17 0
TOTAL 6604 4080 1922 417 185 2717 4821 674 15 4463 59 1449 618 1347 4595 351 311
  1. 1Resolution of geo-location: Point, latitude and longitude. Data for SSA that could not be located to a single point was still used to inform within-administrative area prevalence distributions.
  2. 2NR = not reported. For unreported year, data was used in both 1990 and 2010 estimates, for age group data was assumed to reflect community prevalence, for sample size individuals tested were assumed to be 100. SAC; School-aged children. Comm; community – includes all ages or crosses age group categories.