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Table 3 Sensitivities and agreements of PCR detection between faeces and rectal swabs

From: Comparison of rectal swabs and faeces for real-time PCR detection of enteric agents in Rwandan children with gastroenteritis

  Reactive in faeces or rectal swab Reactive in faeces Faeces sensitivitya Reactive in rectal swab Rectal swab sensitivityb Reactive in faeces andrectal swab Discordant samplesc Kappa value
ETEC-eltB 147 134 91% 110 75% 97 50 0.674
ETEC-estA 56 46 82% 47 84% 37 19 0.762
E. coli bfpA 61 53 87% 46 75% 38 23 0.726
E. coli eae 91 72 79% 75 82% 56 35 0.692
Shigella ipaH 77 66 86% 65 84% 54 23 0.780
Campylobacter 76 68 89% 65 86% 57 19 0.821
Cryptosporidium 31 25 81% 28 90% 22 9 0.815
Rotavirus 60 48 80% 49 82% 37 23 0.721
Norovirus GG2 27 23 85% 21 78% 17 10 0.756
Adenovirus 122 85 73% 95 84% 65 53 0.452
  1. aReactive in faeces/reactive in either faeces or rectal swab.
  2. bReactive in rectal swab/reactive in either faeces or rectal swab.
  3. cReactive in rectal swab or faeces, not in both.
  4. ETEC, enterotoxinogenic E. coli. GG2, genogroup 2.
  5. Adenovirus was analysed in 193 of the 326 samples.