Pearson correlations between the SleepStripTM score and Apnoea/hypopnoea index (AHI)
| Germany | Belgium | Israel | All | |
| Subjects n | 44 | 39 | 205 | 288 |
| Correlation (p<0.001) | 0.86 | 0.81 | 0.70 | 0.73 |
AHI was determined based on traditional polysomnographic recordings. Correlations were computed for each country separately and for all samples combined