Table 2

Classification of field series using progressor

Clinician B
Clinician ADefinitely stableProbably stableProbably progressingDefinitely progressing
*Weighted kappa = 0.63 (SE 0.13).
Classification of the 27 visual field series by clinician A and clinician B when using progressor. These clinicians now agreed exactly on the assessment of 15 series (along the diagonal of the table). “Serious disagreements” have been reduced and the table suggests closer conformity between the clinicians when they assessed the series with progressor
Definitely stable 7 000
Probably stable0 0 10
Probably progressing04 2 4
Definitely progressing012 6