Number of optic discs identified as abnormal, in three optic disc size groups, using disc size dependent and disc size independent cut offs
| Disc size | DD (mm) | Disc size dependent | Disc size independent | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Control | Glaucoma | Control | Glaucoma | ||||||
| All | 1.38–2.12 | 1/88 | 33/53 | 2/88 | 30/53 | ||||
| Small | 1.38–1.63 | 0/22 | 12/15 | 0/22 | 5/15 | ||||
| Medium | 1.64–1.84 | 1/44 | 18/30 | 2/44 | 20/30 | ||||
| Large | 1.85–2.12 | 0/22 | 3/8 | 0/22 | 5/8 | ||||