Table 4.
Correlation of epithelial mapping parameters, stromal and total corneal thickness with disease duration
| Parameter | Correlation coefficient (r) | p value |
|---|---|---|
| CET | 0.011 | 0.928 |
| SUP | 0.068 | 0.573 |
| INF | 0.054 | 0.653 |
| MIN | 0.339 | 0.004* |
| MAX | 0.167 | 0.163 |
| MIN−MAX | 0.259 | 0.029* |
| SUP−INF | 0.028 | 0.814 |
| CCT | 0.090 | 0.455 |
| MIN (Pachymetry) | 0.098 | 0.415 |
| Stromal thickness at the area of maximum epithelial thickness | 0.152 | 0.205 |
| Stromal thickness at the thinnest corneal point | 0.122 | 0.310 |
CET central epithelial thickness, SUP superior, INF inferior, MIN minimum, MAX maximum, MIN−MAX minimum minus maximum, SUP−INF superior minus inferior, CCT central corneal thickness
*Significant