SVI cutpoints and overall mortality
| Variable | p Value | HR | LCL | UCL | AIC | c-Statistic (95% CI) |
|---|---|---|---|---|---|---|
| SVI <35 mL/m2 | 0.0002 | 2.36 | 1.49 | 3.73 | 1100.13 | 0.56 (0.52 to 0.61) |
| SVI <38 mL/m2 | 0.0004 | 2.09 | 1.39 | 3.16 | 1100.34 | 0.58 (0.53 to 0.63) |
| SVI <43 mL/m2 | 0.0004 | 2.05 | 1.38 | 3.05 | 1098.53 | 0.61 (0.56 to 0.66) |
AIC, Akaike Information Criterion (a measure of model fit); LCL, lower confidence limit; SVI, stroke volume index; UCL, upper confidence limit.