Table 3

Anterior corneal haze after photorefractive keratectomy (PRK) in each age and baseline refraction group

Baseline refraction group	Time after PRK (months)		Anterior corneal haze		p Value
			Age (years)
			<30	30–39		⩾40
1 Low myopes	3	0.78	0.78	0.86	0.70
	6	0.56	0.52	0.48	0.59
	12	0.26	0.29	0.34	0.49
2 Moderate myopes	3	1.15	0.89	0.94	0.45
	6	0.85	0.86	0.78	0.75
	12	0.53	0.57	0.54	0.92
3 High myopes	3	1.52	1.26	1.26	0.38
	6	1.19	1.05	1.10	0.85
	12	0.66	0.78	1.15	0.07

↵p value comparing these haze degrees was 0.0001 according to analysis of variance.
↵p value comparing these haze degrees was 0.0009 according to analysis of variance.
↵p value comparing these haze degrees was 0.00001 according to analysis of variance.