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Table 1 Positivity agreement according to Kato-Katz and qPCR for all four-examination time points pooled (n = 1636) for T. trichiura, A. lumbricoides and hookworm

From: Performance of the Kato-Katz method and real time polymerase chain reaction for the diagnosis of soil-transmitted helminthiasis in the framework of a randomised controlled trial: treatment efficacy and day-to-day variation

  

No. of qPCR negatives (%)

No. of qPCR positives (%)

Total (%)

T. trichiura

Kato-Katz negative

362 (58.8)

254 (41.2)

616 (100)

Kato-Katz positive

140 (13.7)

880 (86.3)

1020 (100)

Total

502 (30.7)

1134 (69.3)

 

A. lumbricoides

Kato-Katz negative

1236 (84.1)

233 (15.9)

1469 (100)

Kato-Katz positive

28 (16.8)

139 (83.2)

167 (100)

Total

1264 (77.3)

372 (22.7)

 

Hookworm

Kato-Katz negative

1369 (89.5)

160 (10.5)

1529 (100)

Kato-Katz positive

18 (16.8)

89 (83.2)

107 (100)

Total

1387 (84.8)

249 (15.2)

 
  1. Abbreviations: T. trichiura, Trichuris trichiura; A. lumbricoides, Ascaris lumbricoides