Table 1.

Demographic Information of Study Participants.

Variable	n	Age		P	Sex		χ2	P
		Mean ± SD	Range		Male (%)	Female (%)
Controls	993	69.80 ± 4.47	50–80		447 (45.0)	546 (55.0)
ARCs	993	69.72 ± 6.04	50–80	0.73	449 (45.2)	544 (54.8)	0.008	0.48
C	453	70.15 ± 5.64	52–80	0.45	201 (44.4)	252 (55.6)	0.052	0.52
N	276	68.98 ± 5.86	50–79	0.12	128 (46.4)	148 (53.6)	0.162	0.37
P	52	68.15 ± 4.16	50–78	0.09	24 (46.2)	28 (51.58)	0.026	0.49
M	212	70.14 ± 6.14	51–80	0.51	96 (45.1)	116 (54.7)	0.005	0.50

C: cortical; N: nuclear; P: posterior sub capsular cataract; M: mixed type.