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Table 1 Number of positive samples (n), prevalence (%) and 95% confidence intervals (95% CI) for Kato-Katz and qPCR diagnostic

From: The increased sensitivity of qPCR in comparison to Kato-Katz is required for the accurate assessment of the prevalence of soil-transmitted helminth infection in settings that have received multiple rounds of mass drug administration

Species

Kato-Katz

qPCR

P-value

n

% (95% CI)

n

% (95% CI)

Any STH

134

20.68 (17.62–24.00)

292

45.06 (41.18–48.98)

< 0.0001

Ascaris lumbricoides

25

3.89 (2.51–5.64)

57

8.80 (6.73–11.25)

< 0.0001

Trichuris trichiura

82

12.65 (10.19–15.46)

148

22.84 (19.66–26.27)

< 0.0001

Hookworms

42

6.48 (4.71–8.66)

166a

25.62 (22.30–29.16)a

< 0.0001a

Necator americanus

  

147

22.69 (19.51–26.11)

 

Ancylostoma duodenale

1

0.15 (0.00–0.86)

Ancylostoma ceylanicum

30

4.63 (3.15–6.54)

  1. a Calculated from aggregated hookworm qPCR results
  2. Abbreviation: STH, soil-transmitted helminth