Employer costs by service type, for Commercial Insurance and Medicare Enrollees. Notes: For sample with 1 year of follow-up. Medical and drug expenditures were adjusted to 2009 dollars using Medical Care CPI. The Cost Burden is calculated as the difference between the mean values for the OC/OP/SG cancer and matched comparison group. The p-value is from a test of statistically significant difference between the OC/OP/SG cancer and comparison group.