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Table 4 Parasitological findings in the three groups

From: Morbidity assessment of Opisthorchis viverrini infection in rural Laos: I. Parasitological, clinical, ultrasonographical and biochemical findings

  Group A (n = 45) Group B (n = 31)   Group C (n = 18)  
  Stool   Duodenal fluid   Stool
  Kato-Katz Filtration Kato-Katz Kato-Katz
Helminth species Positive/examined (%) Intensity (epg) Positive/examined (%) Intensityb Positive/examined (%) Intensity (epg) Positive/examined (%) Intensity (epg)
   Median (range)   Median (range)   Median (range)   Median (range)
Opisthorchis viverrini 45/45 (100) 900 (60–13,710) 19/32 (59.4) 24 (1–7140) 15/29 (52.7) 40 (24–56) 9/18 (50.0) 24 (24–40)
Hookworma 18/45 (40.0) 180 (30–2940) 4/32 (12.5) 13 (5–27) 6/29 (20.7) 24 (24–72) 0/18 (0) n.a.
T. trichiura 4/45 (8.9) n.d. 0/32 (0) n.a. 0/29 (0) n.d. 0/18 (0) n.a.
Taenia spp. a 7/45 (15.6) n.d. 0/32 (0) n.a. 0/29/0) n.a. 0/18 (0) n.a.
Trichostrongylus spp. b 0/45 (0) n.a. 0/32 (0) n.a. 3/29 (10.3) n.d. 2/18 (11.1) n.d.
  1. n.a. not applicable, n.d. not determined
  2. aSpecies not identified
  3. bNumber of eggs in the total volume of duodenal liquid filtrated