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Distribution-based methods: meaningful change estimates for QOLCE, QOLIE-AD-48, and QOLIE-31-P overall HRQL score.
| HRQL measure | 1/2 SD [1] | Reliability [2] | SEM |
|---|---|---|---|
| QOLCE | 6.0 | 0.94 | 2.9 |
| QOLIE-AD-48 | 8.1 | 0.93 | 4.2 |
| QOLIE-31-P | 11.0 | 0.90 | 7.1 |
[1] 0.5 standard deviation estimate based upon the standard deviation at baseline. [2] Reliability is based on internal consistency reliability computed at baseline.
