Table 3.

Clinical and Topographic Parameters According to Gender

	Female		Male		Total
	Mean	SD	Mean	SD	Mean	SD	P-value
BCVAa	0.6	0.3	0.710	0.2797	0.673	0.2825	0.004
Sphere	−1.7	2.5	−0.8	2.3	−1.2	2.5	0.000
Cylinder	−2.9	1.7	−2.8	1.6	−2.8	1.6	0.499
Cornea thinnest location	455.5	55.5	461.9	50.0	458.8	52.8	0.192
K meanb	48.9	5.8	46.5	4.2	47.7	5.2	0.000
K maxc	55.6	9.5	53.2	7.7	54.4	8.7	0.003

Notes: ^aBest-corrected visual acuity; ^bkeratometry mean; ^ckeratometry maximum.