Table 3.
Recall rate, sensitivity, and specificity for screening and diagnostic mammograms*
| Screening mammography |
Diagnostic mammography |
||||
| Group | Recall, % (95% CI) | Sensitivity, % (95% CI) | Specificity, % (95% CI) | Sensitivity, % (95% CI) | Specificity, % (95% CI) |
| Total | 13.0 (12.8 to 13.2) | 76.5 (70.1 to 82.5) | 87.1 (86.9 to 87.4) | 85.7 (82.7 to 88.7) | 88.8 (88.4 to 89.1) |
| Age group, y | |||||
| 18–24 | 17.6 (14.8 to 20.6) | 0.0† | 82.4 (79.4 to 85.2) | 100.0 (100 to 100) | 83.8 (81.9 to 85.6) |
| 25–29 | 17.1 (15.6 to 18.6) | 66.7 (20.0 to 100) | 83.0 (81.5 to 84.6) | 89.5 (78.6 to 97.7) | 88.4 (87.4 to 89.4) |
| 30–34 | 14.4 (13.7 to 15.0) | 81.5 (65.4 to 95.5) | 85.8 (85.1 to 86.4) | 86.3 (80.8 to 91.4) | 89.5 (88.9 to 90.0) |
| 35–39 | 12.7 (12.4 to 12.9) | 76.1 (69.2 to 82.6) | 87.5 (87.2 to 87.7) | 82.5 (78.2 to 86.6) | 88.9 (88.4 to 89.5) |
| Race | |||||
| White | 13.0 (12.7 to 13.3) | 78.6 (71.0 to 85.8) | 87.2 (86.9 to 87.4) | 86.6 (82.9 to 90.0) | 89.5 (89.1 to 89.9) |
| African American | 13.7 (12.8 to 14.5) | 81.2 (62.9 to 96.3) | 86.5 (85.7 to 87.4) | 81.5 (71.5 to 90.0) | 87.9 (86.6 to 89.2) |
| Other | 12.6 (12.0 to 13.1) | 67.0 (42.8 to 88.9) | 87.5 (87.0 to 88.1) | 89.0 (80.7 to 95.7) | 85.6 (84.6 to 86.6) |
| Family history of breast cancer | |||||
| No | 13.5 (13.2 to 13.8) | 78.8 (71.7 to 85.4) | 86.6 (86.4 to 86.9) | 85.4 (81.9 to 88.8) | 88.6 (88.2 to 89.0) |
| Yes | 15.0 (14.2 to 15.8) | 78.7 (51.5 to 100.0) | 85.1 (84.3 to 85.9) | 78.1 (65.1 to 89.9) | 87.0 (85.5 to 88.4) |
| Breast density | |||||
| Almost entirely fat | 8.6 (7.6 to 9.6) | 66.7 (0.0 to 100) | 91.5 (90.4 to 2.4) | 100.0‡ | 93.2 (91.6 to 94.7) |
| Scattered fibroglandular densities | 13.9 (13.4 to 14.4) | 82.9 (70.1 to 93.8) | 86.2 (85.8 to 86.7) | 87.1 (77.1 to 94.5) | 91.3 (90.6 to 92.0) |
| Heterogeneously dense | 14.7 (14.2 to 15.1) | 72.9 (61.8 to 83.2) | 85.5 (85.1 to 85.9) | 85.9 (80.5 to 90.9) | 88.1 (87.4 to 88.7) |
| Extremely dense | 11.4 (10.8 to 12.1) | 73.7 (54.8 to 91.7) | 88.7 (88.1 to 89.4) | 77.9 (68.9 to 86.4) | 89.2 (88.3 to 90.1) |
| Self-reported breast lump | |||||
| No | 11.8 (11.6 to 12.1) | 74.8 (66.9 to 82.2) | 88.3 (88.0 to 88.5) | 71.5 (59.8 to 82.7) | 93.0 (92.5 to 93.6) |
| Yes | 31.1 (29.6 to 32.8) | 84.7 (73.4 to 94.6) | 69.6 (68.0 to 71.2) | 87.5 (84.3 to 90.5) | 86.6 (86.2 to 87.1) |
*
CI = confidence interval.
†
There were only three cancers and we did not calculate the confidence interval.
‡
Only three cancers were observed; insufficient information is available to calculate a reliable point estimate and 95% confidence interval.