Table 1.

Characteristics of Hoag cancer patients diagnosed with invasive cancer^* during 1986-1991 (n = 5,487) and 1992-1999 (n = 10,548)

Category	1986-1991	1992-1999	P
% White	97.2	95.8	< .0001
% Asian	1.9	3.0	.0001
% African American	.38	.36	.171
% female	52.7	52.8	.603
Median age, years	65.0	65.8	—
Mean age, years	62.3	63.4	.928
% < age 20 years	0.49	0.39	.171
% ≥ age 90 years	0.74	1.4	.0009
% local	45.3	50.8	< .0001
% regional	24.4	21.8	.0004
% distant	22.7	21.8	.190
% unknown general stage	7.6	5.4	< .0001
% diagnosed and treated at Hoag	81.2	84.0	< .0001
% diagnosed elsewhere, treated at Hoag	17.1	14.7	.0001
% diagnosed at Hoag, treated elsewhere	1.7	1.3	.032
% diagnosed by histopathology	93.1	91.2	.0001
% diagnosed by cytology only	5.0	6.3	.002

^*Includes tumors classified as “unknown stage”; excludes “in situ” except for bladder.