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Sample size estimations for mean changes in SNOT-22 scores between treatment groups
| SNOT-22 Mean Score Difference: | Treatment Group Ratio: | Total Sample Size |
|---|---|---|
| 0.5 | 1:4 | 200 |
| 1.0 | 1:4 | 52 |
| 1.5 | 1:4 | 24 |
| 2.0 | 1:4 | 16 |
| 2.5 | 1:4 | 12 |
| 3.0 | 1:4 | 8 |
SNOT-22, 22-item Sinonasal Outcome Test
