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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