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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 2.

Pre and post-reform annual rates of discretionary and non-discretionary surgery

Discretionary Non-discretionary
Pre-reform Post-reform Pre-reform Post-reform
All MA 35.8 39.2 18.5 18.0
Control 28.9 29.0 18.3 18.7
White MA 35.9 40.4 16.7 16.6
Control 27.2 28.0 14.6 14.8
Non-white MA 17.5 21.7 15.2 17.0
Control 14.6 15.3 13.6 14.8
Low Income MA 35.9 39.2 22.8 21.8
Control 22.8 23.8 16.6 17.0
Newly Uninsured MA 32.5 36.0 18.5 17.5
Control 28.9 29.0 18.3 18.7

Abbreviations: MA, Massachusetts. Values represent unadjusted mean rates of surgery per year per 10,000 individuals in each subgroup. The pre and post-reform transition point is defined as July 2007. Low income refers to patients residing in Massachusetts counties with low median income. Newly insured refers to patients residing in Massachusetts counties with high numbers of individuals gaining insurance from 2006–2008. Control states are New York and New Jersey.