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Table 5 Comparison of Ct values in faeces and rectal swabs in children with or without diarrhoea

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

  Diarrhoea (n = 207) No diarrhoea (n = 119)
  Mean Ct differencea n P value Mean Ct differencea n P value
ETEC-eltB 3.61 47 <0.0001 1.03 50 0.09
ETEC-est A 3.11 24 <0.0001 2.76 13 0.02
E. coli bfpA 2.27 28 0.0002 1.63 10 0.20
E. coli eae 2.40 30 0.0001 -0.93 26 0.1662
Shigella 2.41 34 <0.0004 -1.64 20 0.1008
Campylobacter -0.61 30 0.50 -0.69 27 0.36
Cryptosporidium 3.09 16 0.002 -0.06 6 0.96
Rotavirus 2.25 37 0.0008   0  
Norovirus GG2 2.21 12 0.04 -0.39 5 0.72
Adenovirus 0.43 12 0.71 -0.69 53 0.087
  1. aCt value in rectal swab–Ct value in faeces.
  2. Comparison of subset of cases that were reactive in both faeces and rectal swabs.
  3. P values by paired t test.
  4. GG2, genogroup 2.