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Table 1 Sensitivity calculated for 2 days of Kato-Katz (KK) and one PCR sample for T. trichiura, hookworms (incl. A. duodenale, N. americanus and S. stercoralis) and A. lumbricoides

From: Comparison of real-time PCR and the Kato-Katz method for the diagnosis of soil-transmitted helminthiasis and assessment of cure in a randomized controlled trial

  Sensitivity % (95% CI)
Baseline
Sensitivity % (95% CI)
Follow-up
Sensitivity % (95% CI)
Total
Trichuris trichiura
 Combined KK 100 83.6 (77.6–88.5) 93.5 (91.3–95.7)
 PCR vs combined KK 92.8 (89.4–95.4) 89.1 (83.6–93.2) 91.5 (89.0–93.9)
Hookworm
 Combined KK 70.4 (62.5–77.5) 43.0 (32.8–53.7) 60.0 (53.9–66.1)
 PCR vs combined KK 77.5 (69.7–84.2) 72.7 (59.0–83.9) 76.2 (70.2.6–82.2)
Ascaris lumbricoides
 Combined KK 88.3 (82.8–92.5) 53.8 (25.1–80.8) 86.1 (81.3–90.9)
 PCR vs combined KK 87.4 (81.8–91.7) 87.5 (47.3–99.7) 87.4 (82.7–92.0)