Table 2.
Survival outcomes and cumulative incidence functions of mortality following a diagnosis of classic lobular carcinoma in situ.
| Characteristics | Overall survival (95 % CI) |
Relative survival (Ederer II) (95 % CI) |
Cumulative incidence function of mortality (95 % CI) |
|||
|---|---|---|---|---|---|---|
| 10 years | 20 years | 10 years | 20 years | 10 years | 20 years | |
| Entire cohort | 91.5 % (89.7–97.7 %) | 76.0 % (72.7–79.0 %) | 98.5 % (96.7–100.0 %) | 95.2 % (91.0–98.9 %) | 7.5 % (6.0–9.1 %) | 16.7 % (14.0–19.5 %) |
| Management | ||||||
| No surgery | 90.6 % (82.8–94.9 %) | 88.2 % (78.5–93.7 %) | 97.2 % (88.4–100.0 %) | 101.0 % (93.9–114.0 %) | 12.1 % (5.5–21.5 %) | 12.1 % (5.5–21.5 %) |
| BCS | 92.2 % (89.9–93.9 %) | 74.0 % (69.2–78.2 %) | 99.1 % (96.7–101 %) | 92.4 % (86.5–97.6 %) | 6.4 % (4.7–8.4 %) | 15.5 % (11.9–19.6 %) |
| Mastectomy | 84.5 % (77.9–89.3 %) | 67.5 % (58.4–75.02 %) | 92.7 % (85.4–97.9 %) | 90.7 % (78.6–100.0 %) | 13.7 % (8.8–19.7 %) | 29.2 % (21.2–37.7 %) |
| Unknown | 94.3 % (89.9–96.8 %) | 84.6 % (78.1–89.3 %) | 101.0 % (96.3–103.7 %) | 103.0 % (95.1–108.8 %) | 5.5 % (2.8–9.4 %) | 13.1 % (8.4–18.9 %) |
AbbreviationsCI, confidence interval; BCS, Breast-conserving surgery.