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Table 2 Endothelial cell density, coefficient of variation, and percentage of hexagonal cells in the peripheral regions of the cornea, before and after operation of corneal crosslinking (CXL)

From: Effect of corneal cross-linking on endothelial cell density and morphology in the peripheral cornea

LocationECD (cells/mm2)CV (%)HEX (%)
PreoperativePostoperative (6 months)P valuePreoperativePostoperative (6 months)P valuePreoperativePostoperative (6 months)P value
Superior2843 ± 2712803 ± 2930.1641.3 ± 5.742.5 ± 6.50.2334.9 ± 10.733.8 ± 9.90.14
Nasal
Superior
2815 ± 2972772 ± 2730.1241.2 ± 5.442.4 ± 6.80.2135.7 ± 8.235.7 ± 9.00.80
Temporal
Superior
2749 ± 2642716 ± 2450.1742.1 ± 6.343.2 ± 6.70.1133.4 ± 10.733.0 ± 10.80.30
Inferior2759 ± 2812734 ± 2270.2841.6 ± 6.542.5 ± 6.90.2132.5 ± 8.533.0 ± 9.60.38
Nasal
Inferior
2703 ± 4522655 ± 6450.3741.6 ± 5.042.8 ± 7.60.1531.4 ± 8.931.2 ± 10.10.49
Temporal
Inferior
2645 ± 3902603 ± 4910.1742.0 ± 7.342.9 ± 7.40.1932.0 ± 8.731.9 ± 10.10.64
  1. ECD Endothelial cell density, CV Coefficient of variation, HEX percentage of hexagonal cells