Table 1.
Health utility estimates from EQ-5D-5L data collected during the ORBITA trial; higher scores indicate better health
Utility weight | ||||
Health state | Number | Mean | SE | SD |
CAD (baseline) | 195 | 0.77 | 0.015 | 0.213 |
Placebo | 91 | 0.81 | 0.021 | 0.221 |
PCI | 104 | 0.83 | 0.023 | 0.212 |
Number =the number of patients in the sample, with a complete EQ-5D utility weight, used to estimate the mean, SE and SD.
CAD, coronary artery disease; EQ-5D-5L, EuroQol five-dimension quality of life instrument, 5-level version; ORBITA trial, Objective Randomised Blinded Investigation with optimal medical Therapy of Angioplasty in stable angina trial; PCI, percutaneous coronary intervention; SD, Standard deviation; SE, Standard error.