Research Article
Agreement between Gonioscopic Examination and Swept Source Fourier Domain Anterior Segment Optical Coherence Tomography Imaging
Table 5
Agreement (%) between pairs of gonioscopic examiners and Fourier domain anterior segment optical coherence tomography readers at each visit.
| | Examiner-reader pair | Kappa | Agree | Disagree | Overall
(%) | Narrow
| Open
| G: narrow
A: open
(%) | G: open
A: narrow
(%) |
| | | Visit 1 () | | 1st examiner versus reader 1 | 0.48
| 65 (76%) | 47 | 18 | 5 (6%) | 15 (18%) | | 1st examiner versus reader 2 | 0.43
| 62 (73%) | 43 | 19 | 4 (5%) | 19 (22%) | | 2nd examiner versus reader 1 | 0.63
| 70 (82%) | 45 | 25 | 7 (8%) | 8 (9%) | | 2nd examiner versus reader 2 | 0.57
| 67 (79%) | 41 | 26 | 6 (7%) | 12 (14%) |
| | | Visit 2 () | | 1st examiner versus reader 1 | 0.46
| 56 (78%) | 45 | 11 | 4 (6%) | 11 (15%) | | 1st examiner versus reader 2 | 0.45
| 54 (71%) | 41 | 13 | 2 (3%) | 15 (21%) | | 2nd examiner versus reader 1 | 0.42
| 54 (71%) | 42 | 12 | 7 (10%) | 10 (14%) | | 2nd examiner versus reader 2 | 0.53
| 56 (78%) | 40 | 16 | 3 (4%) | 12 (17%) |
|
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CI: confidence interval.
G: gonioscopic examination; A: anterior segment optical coherence tomography.
Kappa criteria: <0.2 poor; 0.21 to 0.40 fair; 0.41 to 0.60 moderate; 0.61 to 0.80 good; and >0.80 excellent.
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