Table 1.

Demographics by group (n=11 in each group)

	Trifocal	Bifocal	P-value*
Sex (female/male)	6/5	6/5	1.00
Age	62.1±7.5 (51–72)	70.2±7.8 (51–78)	0.02*
Average preoperative keratometry (D)	44.8±1.48 (42.73–48.57)	43.44±1.83 (40.40–46.13)	0.01*
Preoperative corneal astigmatism (D)	2.11±1.11 (1.04–5.19)	1.95±0.72 (1.10–3.26)	0.58
Axial length (mm)	24.43±1.49 (22.66–27.11)	24.18±1.52 (22.38–27.12)	0.57

Notes:

^*Statistically significantly different, P<0.05. Data is presented as mean ± SD (range).

Abbreviation: D, diopters.