4.
Trial sequential analysis (60‐day mortality) ‐ aprotinin versus control.
The blue line indicates the cumulative Z‐curve.
Current information size: 280 patients; required information size: 15,302. information fraction: 1.83%.
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.