Table 6.
Mean maximum endothelial cell size before and after cross-linking with P-values (μm)
| Parameters | Preoperative | 3 months | 6 months | 1 year | P-value |
|---|---|---|---|---|---|
| Keratoconus | |||||
| Mean | 962.25 | 1,360.50 | 1,067.10 | 907.73 | <0.001 |
| ±SD | 236.19 | 393.33 | 243.74 | 189.38 | |
| P1 | 0.000 | 0.215 | 1.000 | ||
| P2 | 0.000 | 0.000 | |||
| P3 | 0.000 | ||||
| PostLASIK ectasia | |||||
| Mean | 914.40 | 1,313.20 | 924.40 | 832.10 | 0.07 |
| ±SD | 238.74 | 430.56 | 141.80 | 186.99 | |
Notes: Significant at P<0.05; repeated-measures ANOVA test followed by post hoc LSD was used for pairwise comparisons. P1: Significance relative to preoperative; P2: significance relative to 3-month period; P3: significance relative to 6-month period.
Abbreviations: ANOVA, analysis of variance; LASIK, laser-assisted in situ keratomileusis; LSD, least significant difference; SD, standard deviation.