Fig. 4

Subgroup analyses of the association between glycemic variability and mortality in critically ill trauma patients. Forest plots display the adjusted hazard ratios (HRs) for 30-day (A) and 1-year (B) all-cause mortality. The HRs and 95% confidence intervals (CIs) represent the risk associated with a one-unit increase in the log-transformed coefficient of variation (log(CV)). The P for interaction was calculated to assess for significant effect modification across the strata of each subgroup. TBI (traumatic brain injury), ISS (Injury Severity Score).