Table 1.

Baseline characteristics.

Characteristic	Mean ± SD		p value
	PEX n = 42	Control n = 38
Age (y)	77.26 ± 6.97	74.21 ± 9.90	0.198a
Sex (male/female)	15/27	20/18	0.176b
Right/left eye	21/21	23/15	0.376b
AxL (mm)	23.38 ± 0.75	23.48 ± 1.01	0.784a
ACD (mm)	2.98 ± 0.48	3.19 ± 0.36	0.012a
K (D)	43.95 ± 1.65	43.56 ± 1.53	0.525a
IOL power (D)	21.13 ± 1.61	21.42 ± 2.53	0.242a
LOCS score (NS)	2.64 ± 0.73	2.60 ± 0.72	0.811a

AxL: axial length; ACD: anterior chamber depth; K: keratometry; IOL: intraocular lens; y: year; mm: millimeter; D: diopter; LOCS: Lens Opacities Classification System III; NS: nuclear sclerosis.

^aMann–Whitney U test; ^bFisher’s exact test.