TABLE 6B.
AGREEMENT WITH INDEPENDENT RATER CASE AND CONTROL PATIENTS*
| CASES† | CONTROLS‡ | P< | |||
|---|---|---|---|---|---|
| n | % | N | % | ||
| Cup-disc ratio | N=23 | N=51 | .003 | ||
| Mean | 0.54 | 0.38 | |||
| SD | 0.20 | 0.20 | |||
| Median | 0.55 | 0.30 | |||
| Min | 0.10 | 0.10 | |||
| Max | 0.80 | 0.85 | |||
| HVF | |||||
| Reliable (Y/N) | N=29 | N=60 | |||
| Yes | 29 | 100.0 | 60 | 100.0 | N/A |
| No | 0 | 0.0 | 0 | 0.0 | |
| Glaucoma (Y/N) | N=29 | N=60 | |||
| Yes | 3 | 10.3 | 4 | 6.7 | .612 |
| No | 26 | 89.7 | 56 | 93.3 | |
| GSN | N=29 | N=60 | |||
| Normal | 18 | 62.1 | 52 | 86.7 | .019 |
| Suspect | 10 | 34.5 | 7 | 11.7 | |
| Glaucoma | 1 | 3.4 | 1 | 1.7 | |
| Best guess glaucoma | N=29 | N=60 | |||
| Yes | 4 | 13.8 | 5 | 8.3 | .433 |
| No | 13 | 44.8 | 44 | 73.3 | |
| Any glaucoma (per eye) | N=29 | N=60 | |||
| Yes | 16 | 55.2 | 16 | 26.7 | .010 |
| No | 13 | 44.8 | 44 | 73.3 | |
| Any glaucoma (per patient) | N=20 | N=40 | |||
| Yes | 13 | 65.0 | 13 | 32.5 | .027 |
| No | 7 | 35.0 | 27 | 67.5 | |
GSN, glaucoma/suspect/normal appearance of optic nerve; HVF, Humphrey visual field; N/A, not applicable.
*
Analysis per patient (based on N=20 cases and N=40 controls).
†
From N=29 observations for cases (20 patients).
‡
From N=60 observations for controls (40 patients).