Table 3 Detectable increased Odds Ratios in relation to expected study size and expected prevalences of mobile phone use
From: Case-control study on uveal melanoma (RIFA): rational and design
Mobile phone prevalence in the control group | Detectable Odds Ratio (Cases : Controls) | |||
|---|---|---|---|---|
480:960 | 380 : 760 | 300 : 600 | 250 : 500 | |
0.05 | 2.0 | 2.2 | 2.4 | 2.6 |
0.10 | 1.7 | 1.8 | 2.0 | 2.1 |
0.15 | 1.6 | 1.7 | 1.8 | 1.9 |
0.20 | 1.5 | 1.6 | 1.7 | 1.8 |
0.25 | 1.5 | 1.6 | 1.7 | 1.7 |
0.30 | 1.5 | 1.5 | 1.6 | 1.7 |
0.35 | 1.5 | 1.5 | 1.6 | 1.7 |