Figure 1. Kaplan-Meier Survival Curves for Injured Older Adults With a Matched Trauma Registry Record vs Those With No Matched Trauma Registry Record.

Of the 8161 included patients, 1720 were captured in a trauma registry and 6441 were not. The shaded regions represent 95% CIs. The log-rank test comparing Kaplan-Meier curves yielded a P value of .03. The curves are not adjusted for other covariates.