Pooled predictive parameters of STOP-Bang score ≥3 to screen for OSA in patients with cardiovascular risk factors
| Predictive parameters (95% CI) | All OSA AHI ≥5 | Moderate-to-severe OSA AHI≥15 | Severe OSA AHI ≥30 |
| (six studies, n=1680) | (eight studies, n=1844) | (five studies, n=1630) | |
| Prevalence | 76.1 (73.9–78.1) | 44.4 (42.1–46.7) | 19.3 (17.4–21.3) |
| Sensitivity | 89.1 (87.3–90.8) | 90.7 (88.5–92.6) | 93.9 (90.1–96.3) |
| Specificity | 32.3 (27.8–37.2) | 22.5 (20.0–25.2) | 18.3 (16.3–20.5) |
| PPV | 80.7 (78.5–82.7) | 48.3 (45.8–50.8) | 21.5 (19.4–23.8) |
| NPV | 48.3 (42.2–54.5) | 75.2 (70.0–79.9) | 92.7 (88.6–95.4) |
| Diagnostic OR | 4.37 (2.83–6.75) | 3.52 (2.60–4.77) | 3.72 (2.25–6.15) |
| AUC | 0.86 SE=0.054 | 0.65 SE=0.064 | 0.52 SE=0.24 |
Data are presented as means with 95% CI in parentheses, where appropriate.
AHI, Apnoea–Hypopnea index; AUC, area under the ROC curve; BANG, BMI, age, neck circumference and gender; NPV, negative predictive value; OSA, obstructive sleep apnoea; PPV, positive predictive value; STOP, snoring, tiredness, observed apnoea and high blood pressure.