Table 2.

Differences in insurance coverage proportions among expanded and non-expanded states, after stratifying for the type of cancer

Category	Type	Pre-ACA (2007 to 2010)	Pre-Medicaid expansion (2011 to 2013)	Post-Medicaid expansion (2014 to 2015)	p value
Expanded states	Bone tumors	n = 1290	n = 955	n = 701
	Insured	82% (1053)	79% (759)	79% (550)	0.02
	Medicaid	14% (185)	16% (156)	19% (134)
	Uninsured	4% (52)	4% (40)	2% (17)
Non-expanded states	Bone tumors	n = 292	n = 241	n = 168
	Insured	80% (232)	79% (191)	80% (135)	0.17
	Medicaid	13% (39)	13% (31)	10% (17)
	Uninsured	7% (21)	8% (19)	10% (16)
Expanded states	Soft-tissue sarcomas	n = 3957	n = 3192	n = 2270
	Insured	87% (3435)	85% (2723)	84% (1914)	< 0.001
	Medicaid	10% (390)	11% (353)	14% (315)
	Uninsured	3% (132)	4% (116)	2% (41)
Non-expanded states	Soft-tissue sarcomas	n = 998	n = 688	n = 535
	Insured	84% (833)	86% (589)	85% (457)	0.20
	Medicaid	9% (87)	6% (43)	9% (46)
	Uninsured	8% (78)	8% (56)	6% (32)

ACA = Affordable Care Act.