Variable | Equation | p Value | R |
---|---|---|---|
Contour variation | y = 0.348+0.009x | 0.630 | 0.045 |
Mean contour depth | y = 0.033−0.017x | 0.251 | −0.114 |
Cup shape | y = −0.019−0.015x | 0.008 | −0.259 |
Effective area | y = −0.329+0.572x | 0.001 | 0.736 |
1/2 depth area | y = −0.232+0.267x | 0.001 | 0.603 |
C/D ratio† | y = 0.288−0.058x | 0.007 | −0.263 |
NRRA‡ | y = 0.330+0.428x | 0.001 | 0.632 |
Volume above | y = 0.024+0.081x | 0.001 | 0.525 |
Volume below | y = 0.049−0124x | 0.001 | −0.448 |
1/2 depth volume | y = 0.014−0.027x | 0.001 | −0.381 |
Average depth | y = −0.202−0.007x | 0.618 | −0.045 |
Maximum depth | y = −0.575+0.016x | 0.657 | 0.045 |
Average slope | y = 27.073+1.667x | 0.141 | 0.145 |
Maximum slope | y = 77.431+0.010x | 0.991 | 0.000 |
↵R = correlation coefficient; †C/D = cup/disc; ‡NRRA = neuroretinal rim area.