HUI3 and HUI2 HRQL utility scores, by trial arm and for complete case and multiple imputation analyses
| HUI version | Control group (n=70) | Hypothermia group (n=75) | Mean difference (95% CI) | ||||||||
| n | Missing | Mean | SD | SE | n | Missing | Mean | SD | SE | ||
| Multiple imputation analysis | |||||||||||
| HUI3 score (Canadian valuation) | 70 | 0 | 0.618 | – | 0.058 | 75 | 0 | 0.730 | – | 0.049 | 0.112 (−0.038 to 0.262) |
| HUI2 score (Canadian valuation) | 70 | 0 | 0.744 | – | 0.037 | 75 | 0 | 0.821 | – | 0.032 | 0.078 (−0.019 to 0.174) |
| HUI2 score (UK valuation) | 70 | 0 | 0.733 | – | 0.038 | 75 | 0 | 0.809 | – | 0.032 | 0.076 (−0.021 to 0.174) |
| Complete case analysis* | |||||||||||
| HUI3 score (Canadian valuation) | 66 | 4 | 0.658 | 0.456 | 0.056 | 72 | 3 | 0.746 | 0.409 | 0.048 | 0.089 (−0.057 to 0.234) |
| HUI2 score (Canadian valuation) | 66 | 4 | 0.772 | 0.292 | 0.036 | 71 | 4 | 0.829 | 0.266 | 0.032 | 0.057 (−0.038 to 0.151) |
| HUI2 score (UK valuation) | 66 | 4 | 0.763 | 0.290 | 0.036 | 71 | 4 | 0.821 | 0.263 | 0.031 | 0.058 (−0.035 to 0.152) |
SD standard deviation; SE standard error; CI parametric confidence intervals; *Children for whom an HUI utility score was calculable from questionnaire responses.
HRQL, health-related quality of life; HUI, Health Utilities Index.