Table 4.

Correlations of patient characteristics to severe DEWS scores (score 3 or 4), at 6 months following LASEK, PRK, and LASIK.

	LASEK	PRK	LASIK	Statistical Test Applied
Number of eyes (patients)	64 (36)	90 (48)	97 (53)
Age	p = 0.60	p = 0.32	p = 0.80	Spearman Rank Correlation Test
Female gender	p = 0.02	p = 0.72	p = 0.04	Mann–Whitney U
Myopia correction [D]	p = 0.05	p = 0.26	p = 0.001	Spearman Rank Correlation Test

LASEK, laser-assisted sub-epithelial keratectomy; PRK, photorefractive keratectomy; LASIK, laser in situ keratomileusis.