Research Article

Age at Diagnosis and Breast Cancer Survival in Iran

Table 3

Observed, expected, and relative survival rate (RSR) of breast cancer patients in Iran, diagnosed in 1999–2001.

Age at diagnosisNumber of patients (death)5-year survival rate  
RSR (95% CI)
Observed   Expected

<35 216 (32)83.497.00.86(0.80–0.91)
35–49745 (130)81.093.00.86(0.83–0.89)
50–64415 (136)64.076.00.85(0.78–0.91)
65+124 (82)39.032.0 1.20 (0.92–1.53)§

§Excluding patients over 74 years.