Table 1.
Numbers of Excluded Patients and Scheduled Appointments
| Excluded | Remaining | |||
|---|---|---|---|---|
| Number of patients | Number of scheduled appointments | Number of patients | Number of scheduled appointments | |
| Philadelphia residents | 69,054 | 474,157 | ||
| Exclusion criteria | ||||
| Unable to geocode place of residence | 898 | 5279 | 68,156 | 468,878 |
| Visits canceled by clinic staff | 673 | 8744 | 67,483 | 460,134 |
| Age < 18 years | 4019 | 11,429 | 63,464 | 448,705 |
| Gender not specified as male or female | 3 | 126 | 63,461 | 448,579 |
| Clinic specialty type not specified | 0 | 3 | 63,461 | 448,576 |
| Patients with > 20 visits during study period | 4480 | 158,724 | 58,981 | 289,852 |