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Table 4 Healing rate in arm A (n = 39 bilateral cases) and arm B (n = 33 bilateral cases)

From: Comparison of transepithelial and conventional photorefractive keratectomy in myopic and myopic astigmatism patients: a randomized contralateral trial

 

Method

Day 0 to 1

Day 1 to 2

Day 2 to 3

P-value†

Arm A

tPRK

17.38 ± 7.63

26.42 ± 6.35

9.38 ± 6.02

<0.001

mPRK

21.66 ± 9.35*

28.96 ± 6.89

8.45 ± 5.27

Arm B

tPRK

16.94 ± 12.93

25.74 ± 11.21

9.32 ± 6.25

<0.001

aaPRK

19.73 ± 8.75

30.43 ± 8.06**

12.13 ± 4.80*

  1. tPRK Transepithelial photorefractive keratectomy, mPRK Mechanical PRK, aaPRK Alcohol assisted PRK
  2. †Based on three-day healing rate by random mixed-effect model adjusted for correlation of fellow eyes and follow-up times
  3. All data are presented as Mean ± SD (mm2/day)
  4. Bold values are statistically significant by random mixed-effect model adjusted for correlation of fellow eyes
  5. *P<0.05
  6. **P<0.01