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Table 2 Inter-examiner reliability: agreement among examiners in the classification of stool photographs, according BP-AISS

From: Brazilian Portuguese version of the Amsterdam infant stool scale: a valid and reliable scale for evaluation of stool from children up to 120 days old

Agreement between examiners Quantity Consistency Color
k CI (95%) k CI (95%) k CI (95%)
E1 x E2 0.636 0.475–0.797 0.495 0.372–0.618 0.575 0.396–0.755
E1 x E3 0.585 0.413–0.757 0.502 0.369–0.634 0.580 0.403–0.757
E1 x E4 0.515 0.391–0.639 0.508 0.347–0.670 0.543 0.376–0.711
E1 x E5 0.561 0.398–0.723 0.416 0.284–0.549 0.500 0.330–0.668
E2 x E3 0.686 0.553–0.820 0.447 0.357–0.538 0.805 0.755–0.855
E2 x E4 0.628 0.519–0.738 0.441 0.317–0.571 0.632 0.486–0.778
E2 x E5 0.758 0.656–0.859 0.509 0.396–0.623 0.743 0.592–0.895
E3 x E4 0.456 0.350–0.566 0.417 0.337–0.604 0.634 0.480–0.788
E3 x E5 0.592 0.448–0.736 0.585 0.149–0.750 0.774 0.677–0.870
E4 x E5 0.611 0.498–0.725 0.412 0.268–0.555 0.553 0.404–0.703
  1. k = agreement value, established by the kappa coefficient with quadratic weights
  2. CI (95%) = 95% confidence interval
  3. E1 Examiner 1; E2 Examiner 2; E3 Examiner 3; E4 Examiner 4; E5 Examiner 5