Comparison of the Clinical Outcomes between Echelette Extended Range of Vision and Diffractive Bifocal Intraocular Lenses

Table 4

Multivariate analysis on the DCIVA (logMAR) 3 months after IOL implantation.

IOL	Correlation indicators	Variables
		Age (year)	Gender^†	Keratometry (D)	Axial length (mm)	Anterior chamber depth (mm)
ZXR00 (eyes = 45)	Coefficient	−0.001	0.024	0.018	0.039	−0.012
	value	0.810	0.730	0.326	0.334	0.811
	LCI	−0.007	−0.115	−0.019	−0.042	−0.116
	UCI	0.005	0.163	0.055	0.120	0.092
ZMB00 (eyes = 34)	Coefficient	0.007	0.147	0.024	0.138	−0.002
	value	0.154	0.053	0.401	<0.001	0.978
	LCI	−0.003	−0.002	−0.034	0.067	−0.153
	UCI	0.016	0.296	0.082	0.209	0.149

^†For gender, 0 indicates male while 1 indicates female. DCIVA = distance-corrected intermediate visual acuity; IOL = intraocular lens; D = diopter; LCI = lower bound of 95% confidence interval; UCI = upper bound of 95% confidence interval.