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Table 3 Regression of refraction in the two study groups

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

Regression Group A (n = 68) Group B(n = 68) P -value
Regression of + 0.5 to + 1 D 11 (16.2%) 20 (29.4%) 0.030 1*
Regression of > + 1 D 3 (4.4%) 8 (11.8%)
Mean ± SD 0.37 ± 0.34 D 0.61 ± 0.39 D <  0.001 2*
  1. 1χ2 test; 2Mann-Whitney U test;
  2. *Statistically significant at p < 0.05