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Table 1 Number of individuals with STH infections, and the distribution of intensity among those infected in Mindanao

From: Spatial distribution and populations at risk of A. lumbricoides and T. trichiura co-infections and infection intensity classes: an ecological study

STH species Total number of individuals Age group (in years)
Under 5 5–19 20 and older
A. lumbricoides a
 With infection, n 2447 294 1249 904
 Mean infection intensity (95% CI) 8450.8 (7574.1–9327.5) 15,163.9 (11,142.9–19,184.9) 9118.8 (7874.2–10,363.3) 5344.6 (4405.6–6283.7)
 Light intensity, n (%) 1704 (69.6) 170 (57.8) 830 (66.5) 704 (77.9)
 Moderate intensity, n (%) 651 (26.6) 99 (33.7) 365 (29.2) 187 (20.7)
 High intensity, n (%) 92 (3.8) 25 (8.5) 54 (4.3) 12 (1.4)
T. trichiura b
 With infection, n 2122 164 1064 894
 Mean infection intensity (95% CI) 506.7 (384.9–628.5) 525.1 (332.5–717.6) 540.1 (380.2–699.9) 465.5 (250.2–680.8)
 Light intensity, n (%) 1935 (91.2) 143 (87.2) 955 (89.7) 837 (93.6)
 Moderate intensity, n (%) 176 (8.3) 21 (12.8) 104 (9.8) 51 (5.7)
 High intensity, n (%) 11 (0.5) 0 5 (0.5) 6 (0.7)
Hookwormc
 With infection, n 1503 124 418 961
 Mean infection intensity (95% CI) 275.0 (227.3–322.8) 368.4 (162.8–574.1) 243.5 (135.3–351.6) 276.7 (224.8–328.6)
 Light intensity, n (%) 1473 (98.0) 121 (97.6) 412 (98.6) 940 (97.8)
 Moderate intensity, n (%) 29 (1.3) 1 (0.8) 2 (0.5) 17 (1.8)
 High intensity, n (%) 10 (0.7) 2 (1.6) 4 (0.9) 4 (0.4)
  1. aLight infection intensity: 1–4999 epg; moderate: 5000–49,999 epg; high: ≥ 50,000 epg [20]
  2. bLight infection intensity: 1–999 epg; moderate: 1000–9999 epg; high: ≥ 10,000 epg [20]
  3. cLight infection intensity: 1–1999 epg; moderate: 2000–3999 epg; high: ≥ 4000 epg [20]