| Variable | Total | Before Intervention (January 1, 2010 to February 28, 2012) | After Intervention (March 1, 2012 to November 30, 2013) | P Value |
|---|---|---|---|---|
| Number (total) | 56,266 | 32,497 | 23,769 | |
| Number per month | 1,155 | 1,250 | 1,132 | .25 |
| Age, mean years (SD)* | 52.1 (16.4) | 51.4 (16.1) | 53.2 (16.7) | < .001 |
| Gender (% female)* | 34,678 (64) | 20,845 (64) | 13,833 (63) | .12 |
| Diagnosis code (%)* | < .001 | |||
| Sinusitis | 16,932 (31) | 11,102 (34) | 5830 (27) | < .001 |
| Cough | 9,344 (17) | 4,567 (14) | 4,777 (22) | < .001 |
| Acute bronchitis | 6,649 (12) | 5,217 (16) | 1,432 (7) | < .001 |
| Other ARI | 21,358 (39) | 11,611 (36) | 9,747 (45) | < .001 |
↵* In the 54,283 with provider visits.
ARI, acute respiratory illness; SD, standard deviation.