New Keratoconus Risk Factors: A Cross-Sectional Case—Control Study

Table 5

Analysis of eye for more advanced disease.

Laterality	Eye with more advanced disease		value^1
	Left, N = 88	Right, N = 107
Dominant hand			0.43
Left	12 (14)	19 (18)
Right	76 (86)	88 (82)
Preferential eye rubbed			<0.001
No preferential rubbing	59 (67)	65 (61)
Left	20 (23)	10 (9.3)
Right	9 (10)	32 (30)
Press on the eye during sleeping relative to the sleeping position			0.041
Both or none	59 (67)	60 (56)
Left	14 (16)	12 (11)
Right	15 (17)	35 (33)

Data are n (%). ¹ the chi-square test.