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Table 5 Inter- and intra-observer agreement for TZ classification: First and second round

From: Inter- and intra-observer agreement in the assessment of the cervical transformation zone (TZ) by visual inspection with acetic acid (VIA) and its implications for a screen and treat approach: a reliability study

 

Observer

I

II (R1)

II (R2)

III (R1)

III (R2)

IV (R1)

IV (R2)

V (R1)

V (R2)

I

0.728* (0.654–0.775)

0.418 (0.294–0.503)

0.284 (0.190–0.406)

0.102 (0.062–0.167)

0.227 (0.189–0.338)

0.382 (0.328–0.470)

0.382 (0.323–0.444)

0.531 (0.476–0.586)

0.385 (0.287–0.405)

II

_

0.356* (0.269–0.378)

0.112 (− 0.050–0.177)

0.180 (0.138–0.208)

0.251 (0.165–0.330)

0.367 (0.323–0.461)

0.410 (0.357–0.520)

0.219 (0.181–0.226)

III

–

–

0.345* (0.187–0.433)

0.222 (0.173–0.272)

0.197 (0.188–0.274)

0.269 (0.213–0.346)

0.304 (0.206–0.346)

IV

–

–

–

0.562* (0.450–0.719)

0.471 (0.379–0.649)

0.391 (0.267–0.476)

V

–

–

–

–

0.549* (0.535–0.623)

  1. Values are Fleiss’ kappa (95% CI)  for inter- and intra-observer agreement
  2. *Intra-observer agreement was calculated from the assessments given in the first and second rounds by the same participant
  3. CI Confidence interval; R1: TZ interpretation in the first round; R2: TZ interpretation in the second round. The five experts are referred as I, II, III, IV, V
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BMC Women's Health

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