- $14.38 - Mean copay for primary care in plans that increased payments for ambulatory care, up from $7.83 in the year before the copay increased.
- $22.05 - Mean copay for specialty care in plans that increased payments for ambulatory care, up from $12.66 in the year before the copay increased.
- 12.4 - Increase in days spent in hospital in the year after copayment increase for every 100 enrollees.
- 2.3 - Increase in hospital admissions in the year after copayment increase for every 100 enrollees.
- 18.5 - Increase in outpatient visits in the year after copayment increase for every 100 enrollees.
Source: The New England Journal of Medicine
