Research Article

[Retracted] A Prospective, Randomized, Double-Masked Controlled Clinical Trial of Postoperative Pain after Transepithelial Photorefractive Keratectomy (Trans-PRK)

Table 4

Postoperative pain scores by gender (n = 370 eyes) ().

MaleFemalet value

Pain scores at the end of surgery2.37 ± 1.952.9 ± 2.35−2.040.04
Pain scores on first postoperative day1.79 ± 1.872.24 ± 2.13−1.970.05
Pain scores on second postoperative day0.62 ± 1.110.94 ± 1.32−2.330.02
Pain scores on third postoperative day0.12 ± 0.350.27 ± 1.02−1.410.16

Approximate t-test.