Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Estimated postspill effects on age-specific survival rates. Estimated effects on survival rates are shown as proportions of prespill (baseline) rates for five representative ages. Shown are best-fit results for the logistic model (A), the modified logistic model (B), and the linear model (C).
