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Table 1 10- and 15-year cause-specific survival rates for Connecticut and San Francisco-Oakland registries for 1981–1985 and 1991–1995 cohorts calculated by lognormal model (LN) and Kaplan-Meier (KM) method with 95% confidence intervals in brackets

From: Survival of patients with metastatic breast cancer: twenty-year data from two SEER registries

  Connecticut San Francisco-Oakland
Year 1981–1985 1991–1995 1981–1985 1991–1995
  LN KM LN KM LN KM LN KM
10 11.5 (6.2–16.8) 11.0 (8.5–13.5) 12.6 (7.3–17.9) 11.3 (7.8–14.8) 12.3 (7.0–17.6) 9.7(6.8–12.6) 17.0 (12.1–21.9) 15.9 (11.4–20.4)
15 7.1 (1.8–12.4) 8.3 (5.8–10.8) 9.1 (3.8–14.4) N.A. 9.2 (3.9–14.5) 7.0 (4.3–9.7) 14.7 (9.8–19.6) N.A.
  1. N.A. = not available