TABLE 3.

Unadjusted trends in outpatient visits, quality measures, and health care utilization events, before and after January 2015, 2014—2016 (N = 28 537)

Outcomes	Percent of patients, before Jan. 2015	Percent of patients, after Jan. 2015	Percentage‐point difference	95% CI
Outpatient visits	74	70	−4.05***	−4.5, −3.6
Asthma outpatient visits	9.9	8.4	−1.57***	−1.9, −1.3
Rx adherence	31	25	−5.7***	−6.4, −5
Asthma Med. ratio	61	48	−13***	−14, −12
ED visits	15	15	−0.09	−0.42, −0.24
Asthma ED visits	1.9	1.5	−0.37***	−0.49, −0.25
Hospitalization rate	<1%	<1%	0.02	−0.07, 0.11
IP asthma	<1%	<1%	−0.11***	−0.15, −0.07

This table shows unadjusted changes in the percent of patients who ever have an outpatient visit, hospitalization, or ED visit in a given quarter, and the percent of patients who were adherent to asthma medication in a given year, before and after the plan switch. The difference column represents the percentage‐point change in the percent of beneficiaries with a given outcome, before versus after the switch. The 95% CI column gives the 95% confidence interval of the difference. Asthma medication adherence is abbreviated as Rx adherence. The asthma medication ratio is abbreviated as Asthma Med Ratio. Hospitalizations for asthma are abbreviated as IP Asthma. Emergency department is abbreviated as ED.

^* P < .05; **P < .01; ***P < .001.