| Tracking Method | Exemplar Patients (n=1188) | Non-exemplar Patients (n=2408) | P value | |||
|---|---|---|---|---|---|---|
| Present | Used | Subtotal | Screened | Subtotal | Screened | |
| Yes | Yes | (619 (56.9) | (359 (58.1) | (1211 (52.2) | (338 (27.9) | <.001 |
| Yes | No | 226 (20.8) | 97 (42.9) | 313 (13.5) | 79 (25.2) | <.001 |
| No | — | 315 (22.4) | 171 (54.3) | 858 (34.3) | 250 (29.1) | <.001 |
Data shown as n (%).