Table 7 Correlations between modeled morphogeometric variables for the KC group
From: Study and characterization of morphogeometric parameters to assist diagnosis of keratoconus
Variables | Total corneal volume | Anterior corneal surface area | Posterior corneal surface area | Total corneal surface area | Anterior apex deviation | Posterior apex deviation | Anterior minimum thickness point deviation | Posterior minimum thickness point deviation |
|---|---|---|---|---|---|---|---|---|
Total corneal volume | r = 1 | r = − 0.381 (p = 0.004) | r = − 0.182 (p = 0.185) | r = 0.610 (p = 0.000) | r = − 0.284 (p = 0.34) | r = − 0.198 (p = 0.887) | r = − 0.24 (p = 0.108) | r = − 0.226 (p = 0.098) |
Anterior corneal surface area | r = − 0.381 (p = 0.004) | r = 1 | r = 0.921 (p = 0.000) | r = 0.421 (p = 0.000) | r = 0.544 (p = 0.000) | r = 0.387 (p = 0.003) | r = − 0.073 (p = 0.601) | r = − 0.069 (p = 0.620) |
Posterior corneal surface area | r = − 0.182 (p = 0.185) | r = 0.921 (p = 0.000) | r = 1 | r = 0.668 (p = 0.000) | r = 0.479 (p = 0.000) | r = 0.349 (p = 0.008) | r = − 0.170 (p = 0.225) | r = − 0.159 (p = 0.236) |
Total corneal surface area | r = 0.610 (p = 0.000) | r = 0.421 (p = 0.000) | r = 0.668 (p = 0.000) | r = 1 | r = 0.133 (p = 0.329) | r = 0.219 (p = 0.105) | r = − 0.325 (p = 0.015) | r = − 0.328 (p = 0.18) |
Anterior apex deviation | r = − 0.284 (p = 0.34) | r = 0.544 (p = 0.000) | r = 0.479 (p = 0.000) | r = 0.133 (p = 0.329) | r = 1 | r = 0.540 (p = 0.000) | r = 0.006 (p = 0.974) | r = 0.21 (p = 0.921) |
Posterior apex deviation | r = − 0.198 (p = 0.887) | r = 0.387 (p = 0.003) | r = 0.349 (p = 0.008) | r = 0.349 (p = 0.008) | r = 0.219 (p = 0.105) | r = 1 | r = 0.321 (p = 0.020) | r = 0.319 (p = 0.018) |
Anterior minimum thickness point deviation | r = − 0.24 (p = 0.108) | r = − 0.073 (p = 0.601) | r = − 0.170 (p = 0.225) | r = − 0.325 (p = 0.015) | r = 0.006 (p = 0.974) | r = 0.321 (p = 0.020) | r = 1 | r = 0.999 (p = 0.000) |
Posterior minimum thickness point deviation | r = − 0.226 (p = 0.098) | r = − 0.069 (p = 0.620) | r = − 0.159 (p = 0.236) | r = − 0.328 (p = 0.18) | r = 0.21 (p = 0.921) | r = 0.319 (p = 0.018) | r = 0.999 (p = 0.000) | r = 1 |