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Table 2 Mean corneal thickness at the 6–mm optical zone preoperation, at 1 week postoperation and 12 months postoperation in the two study groups

From: LASIK-induced corneal changes after correction of hyperopia with and without application of Mitomycin-C

Mean corneal thickness at the 6-mm optical zone (μm) Group A (mean ± SD) Group B (mean ± SD) p-value
Preoperative 553.8 ± 11.8 551.3 ± 11.5 0.0671
1 week postop. 513.4 ± 16.2 506 ± 15.4 0.0021 *
12 months postop. 520.6 ± 15.4 517.4 ± 13.9 0.1501*
P -value <  0.001 2* <  0.001 2*  
  1. 1Student’s t test; 2Mann-Whitney U test; 3Friedman test;
  2. *Statistically significant at p < 0.05