Contingency table for two-stage model with SOSAT questionnaire
| MS-OSA (AHI≥21/hour) | ||||
| Positive | Negative | |||
| SOSAT ≥5/10 and 3%ODI ≥13/hour | Positive | 41 | 9 | 50 (50%) |
| Negative | 12 | 38 | 50 (50%) | |
| 53 (53%) | 47 (47%) | 100 (100%) | ||
AHI, Apnea Hypopnea Index; MS-OSA, moderate to severe OSA; ODI, oxygen desaturation index; SOSAT, Screening for OSA in Tetraplegia.