Table 3. Screening Techniques for Obstructive Sleep Apnea in Adults
VariablesBerlin QuestionnaireASA ChecklistSTOP QuestionnaireSTOP-Bang QuestionnaireNocturnal Oximetry
AuthorsChung et al.46Chung et al.46Chung et al.47Chung et al.47Chung et al.48
ValidationPerioperative settingPerioperative settingPerioperative settingPerioperative settingPerioperative setting
Items (n)101448
High risk of OSAScore ≥2 categoriesScore ≥2 categoriesPositive score ≥2Positive score ≥3ODI >10
AHI ≥15
    Sensitivity (%)78.6 (67.1–87.5)78.6 (67.1–87.5)74.3 (62.4–84.0)92.9 (84.1–97.6)93.3 (89.7–97.0)
    Specificity (%)50.5 (40.6–62.3)37.4 (28.2–47.3)53.3 (43.4–63.0)43.0 (33.5–52.9)74.6 (69.6–79.6)
AHI ≥30
    Sensitivity (%)87.2 (72.6–95.7)87.2 (72.6–95.7)79.5 (63.5–90.7)100 (91.0–100.0)100 (100–100)
    Specificity (%)46.4 (37.9–55.1)36.2 (28.2–44.8)48.6 (40.0–63.0)37.0 (28.9–45.6)58.6 (53.7–63.4)
  • Data are presented as mean percentage (95% confidence interval)

  • Adapted from Ankichetty and Chung.49

  • AHI, Apnea-Hypopnea Index; ASA, American Society of Anesthesiologists; OSA, obstructive sleep apnea; ODI, Oxygen Desaturation Index (see Table 1 for a definition of ODI).