Outcomes 6-Months Postintervention (Intention-to-Treat Analysis), Female Patients
| Outcomes* | No./Total No. (%) | Absolute Difference, % (95% CI) | P Value† | |
|---|---|---|---|---|
| Reminder Letter (n = 1896) | Reminder Phone Call (n = 1837) | |||
| Patients who received at least one screening test for which they were due | 626/1896 (33.0) | 756/1837 (41.2) | 8.1 (5.1–11.2) | <.001 |
| Patients overdue for a Pap test who received a Pap test | 386/1321 (29.2) | 479/1267 (37.8) | 8.6 (5.0–12.2) | <.01 |
| Patients overdue for a mammogram who received a mammogram | 138/584 (23.6) | 164/591 (27.8) | 4.1 (−0.9 to 9.1) | .106 |
| Patients overdue for CRC screening who received a CRC screen | 156/608 (25.7) | 186/620 (30.0) | 4.3 (−0.7 to 9.4) | .090 |
| Patients overdue for CRC screening who receive an FOBT | 123/608 (20.2) | 163/620 (26.3) | 6.1 (1.4–10.8) | .012 |
| Patients overdue for CRC screening who receive a colonoscopy | 41/608 (6.7) | 30/620 (4.8) | −1.9 (−4.5 to 0.7) | .153 |
↵* Patients in the phone call arm who did not receive the intervention but were up to date with screening at the time of outcome ascertainment were only considered screened if they received the screening test within 6 months of the date that letters were sent.
↵† χ2 test.
CI, confidence interval; CRC, colorectal cancer; FOBT, fecal occult blood test.