Table 2.

Demographics of nonfamilial and familial cases.

	Nonfamilial	1st Degree, 2 members	1st Degree, 3 or more members	P value
No. of patients	521	50	41
Mean age at diagnosis (yrs ± SEM)	44.3 ± 0.65	40.12 ± 1.9	43.2 ± 1.9	0.14
No. of patients with diagnosis at age >45	223 (42.8%)	17 (34.0%)	17 (41.5%)	0.55
No. of females	414 (79.5%)	42 (84.0%)	30 (73.2%)	0.65
Mean length of followup (yrs ± SEM)	4.22 ± 0.18	4.83 ± 0.69	5.37 ± 0.83	0.18