Table 2.

Associations of preoperative keratometry with postoperative spherical equivalent in flat and steep corneas

	Flat K			Steep K
	ß ± SD	R2	P value	ß ± SD	R2	P value
1 month	− 0.175 ± 0.077	0.042	0.025*	0.008 ± 0.067	0.000	0.908
3 months	− 0.108 ± 0.081	0.015	0.183	− 0.076 ± 0.072	0.009	0.293
6 months	− 0.073 ± 0.086	0.007	0.397	− 0.078 ± 0.058	0.015	0.180
12 months	− 0.065 ± 0.079	0.006	0.411	0.006 ± 0.073	0.000	0.936

ß: slope expressed by linear regression analysis, SD: standard deviation