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Power Analysis for EPA/DHA Treatment
| Outcome | Standardized effect size (change/standard deviation) | Estimated Power1 |
|---|---|---|
| ACQ | 0.5/0.45 = 1.1 | 98 |
| ASUI | 0.1/0.1 = 1.0 | 98 |
| 8-isoprostane | 1.0/0.7 = 1.43 | 99 |
| FEV1/FVC | 0.05/0.07 = 0.71 | 83 |
| FEV1 | 0.07/0.11 = 0.64 | 75 |
Based on 90 completing intervention, 67 treated, 23 controls;
ACQ – asthma control questionnaire; ASUI – asthma symptom utility index, FEV – forced expiratory volume, FVC – forced vital capacity
