Table 2.

Cancer Stage by Insurance Status

Stage	Medicaid		Commercial		Medicare		Medicare (age < 65 years)		Unknown		P*	Insured		Uninsured		P†
	No.	%	No.	%	No.	%	No.	%	No.	%		No.	%	No.	%
Total											.137					.003
No.	301		122		354		59		20			836		54
0	51	16.9	24	19.7	65	18.4	12	20.3	6	30.0		152	18.2	0	0
I	78	25.9	24	19.7	77	21.8	16	27.1	6	30.0		195	23.3	12	22.2
II	89	29.6	33	27.0	94	26.6	16	27.1	5	35.0		232	27.8	15	27.8
III	51	16.9	29	23.8	61	17.2	7	11.9	2	10.0		148	17.7	14	25.9
IV	32	10.6	12	9.8	57	16.1	8	13.6	1	5.0		109	13.0	13	24.1
Advanced	83	27.6	41	33.6	118	33.3	15	25.4	3	15.0		257	30.7	27	50.0
Colorectal cancer											.483					.009
No.	106		59		209		28		8			402		24
0	33	31.1	17	28.8	47	22.5	8	28.6	4	50.0		105	26.1	0	0
I	20	18.9	8	13.6	35	16.7	3	21.4	2	25.0		69	17.2	3	12.5
II	18	17.0	11	18.6	50	23.9	2	17.9	0	0.0		84	20.9	6	25.0
III	13	12.3	16	27.1	36	17.2	3	10.7	1	12.5		68	16.9	7	29.2
IV	22	20.8	7	11.9	41	19.6	6	21.4	1	12.5		76	18.9	8	33.3
Advanced	35	33.0	23	39.0	77	36.8	9	32.1	2	25.0		144	35.8	15	62.5
Breast cancer											.542					.095
No.	195		63		145		31		12			434		30
0	18	9.2	7	11.1	18	12.4	4	12.9	2	16.7		47	10.8	0	0
I	58	29.7	16	25.4	42	29.0	10	32.3	4	33.3		135	29.0	9	30.0
II	71	36.4	22	34.9	44	30.3	11	35.5	5	41.7		157	34.1	9	30.0
III	38	19.5	13	20.6	25	17.2	4	12.9	1	8.3		80	18.4	7	23.3
IV	10	5.1	5	7.9	16	11.0	2	6.5	0	0.0		33	7.6	5	16.7
Advanced	48	24.6	18	28.6	41	28.2	6	19.3	1	8.3		113	26.0	12	40.0

^*Pearson χ², comparing advanced-stage disease in Medicaid patients v otherwise insured patients.

^†Pearson χ², comparing advanced-stage disease in insured v uninsured patients.