01 May 2025 : Database Analysis
Defining Effect Size Standards in Temporomandibular Joint and Masticatory Muscle Research
Grzegorz Zieliński
ABCDEFG 1*, Piotr Gawda DE 1
DOI: 10.12659/MSM.948365
Med Sci Monit 2025; 31:e948365
Table 4 Sample sizes required to achieve various levels of statistical power.
| Effect size | Statistical power | |||
|---|---|---|---|---|
| 60% | 70% | 80% | 90% | |
| All studies (N=456) | ||||
| Small (g=0.10) ≈ | 1020 | 1280 | 1630 | 2180 |
| Medium (g=0.30) ≈ | 80 | 100 | 130 | 180 |
| Large (g=0.70) ≈ | 14 | 17 | 20 | 30 |