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Table 1 Refraction and keratometry assessed during follow-up visits in the two study groups

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

 

Group A (mean ± SD)

Group B (mean ± SD)

P -value

Refraction (D)

 Preoperative

+ 3.2 ± 1.2

+ 3.3 ± 1

0.6271

 1 day postop.

+ 0.26 ± 0.21

+ 0.24 ± 0.22

0.6092

 1 week postop.

+ 0.26 ± 0.21

+ 0.27 ± 0.19

0.7392

 1 month postop.

+ 0.31 ± 0.21

+ 0.33 ± 0.22

0.5262

 3 months postop.

+ 0.4 ± 0.24

+ 0.45 ± 0.27

0.3052

 6 months postop.

+ 0.5 ± 0.31

+ 0.67 ± 0.39

0.009 2*

 12 months postop.

+ 0.63 ± 0.37

+ 0.89 ± 0.48

0.002 2*

 p –value

<  0.001 3*

<  0.001 3*

 

Average keratometry (D)

 Preoperative

42 ± 1.5

41.6 ± 1.5

0.0842

 1 day postop.

44 ± 2.9

44 ± 1.5

0.9292

 1 week postop.

44.2 ± 1.5

44 ± 1.5

0.3682

 1 month postop.

44.2 ± 1.5

43.9 ± 1.5

0.3272

 3 months postop.

44.1 ± 1.5

43.9 ± 1.5

0.3232

 6 months postop.

44 ± 1.5

43.7 ± 1.6

0.1492

 12 months postop.

43.9 ± 1.5

43.6 ± 1.6

0.038 2*

 P –value

<  0.001 3*

<  0.001 3*

 
  1. 1Student’s t test; 2Mann-Whitney U test; 3Friedman test;
  2. * Statistically significant at p <  0.05
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BMC Ophthalmology

ISSN: 1471-2415

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