Table 3.

Correlation between near add power and parameters.

Parameters	Linear regression∗		Adjusted for age and sex∗
	β	P value	β	P value
Age	0.8153	<0.001	0.797	<0.001
Sex	0.009	0.737	0.001	0.927
Spherical equivalent	0.115	<0.001	−0.040	0.010
Astigmatic errors	0.164	<0.001	0.059	<0.001
Anisometropia	0.035	0.194	0.041	0.008
Tear breakup time	−0.061	0.047	−0.012	0.527
Corneal staining score	0.015	0.572	0.032	0.045
Schirmer test value	−0.203	0.009	−0.077	0.477
Tear strip meniscometry	−0.068	0.505	−0.010	0.900

^∗Standardized partial regression coefficient.