Variable | Equation | p Value | R |
---|---|---|---|
Contour variation | y = 0.265+0.002x | 0.134 | 0.173 |
Mean contour depth | y = −0.112+0.002x | 0.220 | 0.141 |
Cup shape | y = −0.079+0.001x | 0.405 | 0.095 |
Effective area | y = 1.296−0.005x | 0.413 | −0.095 |
1/2 depth area | y = 0.688−0.005x | 0.131 | −0.173 |
C/D ratio† | y = 0.536−0.002x | 0.332 | −0.114 |
NRRA‡ | y = 0.988+0.009x | 0.150 | 0.167 |
Volume above | y = 0.152+0.001x | 0.399 | 0.118 |
Volume below | y = −0.397+0.002x | 0.342 | 0.109 |
1/2 depth volume | y = −0.100+0.001x | 0.154 | 0.164 |
Average depth | y = −0.265+0.001x | 0.627 | 0.055 |
Maximum depth | y = −0.231−0.006x | 0.076 | −0.205 |
Average slope | y = 30.113+0.034x | 0.739 | 0.045 |
Maximum slope | y = 72.987+0.097x | 0.191 | 0.152 |
↵R = correlation coefficient; †C/D = cup/disc; ‡NRRA = neuroretinal rim area.