Figure 4
From: Residence, income and cancer hospitalizations in British Columbia during a decade of policy change
Breast cancer (ICD-9 174) age standardized rates per thousand female population (± 95% confidence interval) for first, other and all hospital separations, provincial 10% sample, 1991–1998. Rates were standardized to the 1991 BC female population. Data points are age-standardized rates with confidence intervals for observed data; lines indicate best fit joinpoint regression lines.