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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: JAMA Surg. 2014 Aug;149(8):829–836. doi: 10.1001/jamasurg.2014.857

Table 1.

Demographics of patients undergoing surgery before and after Massachusetts healthcare reform

Massachusetts Control
Pre-reform Post-reform Pre-reform Post-reform
Surgery (%) Discretionary 65.4 69.1 60.8 62.6
Non-discretionary 34.6 30.9 39.2 37.4
Age (%) 19–40 23.8 20.3 26.9 24.5
40–64 76.1 79.7 73.1 75.5
Female (%) 50.1 51.4 50.4 51.5
Race (%) White 87.4 85.9 72.3 69.7
Black 4.3 5.0 10.2 10.6
Hispanic 4.8 6.0 10.1 11.2
Other 3.5 3.1 7.4 8.5
Payer (%) Medicare 7.5 9.1 6.7 7.6
Medicaid 8.1 9.8 8.5 10.5
Private 75.2 72.1 70.5 67.3
Self-pay 1.4 0.7 5.6 5.8
Free care 3.3 1.4 0.1 0.1
Other 4.5 7.0 8.6 8.8

Patients undergoing surgery during pre and post-reform periods in Massachusetts and control periods are compared. The pre and post-reform transition point is defined as July 2007. In the payer categories, “Other” includes worker’s compensation, Health Safety Net, other government payment, other non-managed care plans, and CommCare (a free or subsidized health care insurance program)