Table 3.
Predictive Parameters Of ESS, SACS, BQ, And SBQ
| Cut Off | Sensitivity (%,95% CI) | Specificity (%, 95% CI) |
+LR | LR | Odds Ratio (95% CI) |
AUC (95% CI) |
P | |
|---|---|---|---|---|---|---|---|---|
| AHI≥5 | ||||||||
| ESS | >4 | 72.2 (67.1–77.0) | 46.9 (36.6–57.3) | 1.36 | 0.59 | 1.107 (1.032–1.186) | 0.609 (0.561–0.655) | 0.001 |
| SACS | >3 | 71.0 (65.9–75.8) | 52.1 (41.6–62.4) | 1.48 | 0.56 | 1.096 (1.043–1.151) | 0.640 (0.592–0.685) | <0.001 |
| BQ | >0 | 81.2 (76.6–85.2) | 39.6 (29.7–50.1) | 1.34 | 0.48 | 1.895 (1.402–2.562) | 0.634 (0.587–0.680) | <0.001 |
| SBQ | >2 | 92.8 (89.5–95.4) | 40.6 (30.7–51.1) | 1.56 | 0.18 | 2.161 (1.704–2.742) | 0.723 (0.678–0.764) | <0.001 |
| AHI≥15 | ||||||||
| ESS | >6 | 62.5 (54.3–70.2) | 59.5 (53.5–65.3) | 1.54 | 0.63 | 1.115 (1.054–1.179) | 0.611 (0.563–0.657) | <0.001 |
| SACS | >6 | 56.6 (48.3–64.6) | 73.1 (67.5–78.2) | 2.10 | 0.59 | 1.095 (1.061–1.130) | 0.681 (0.635–0.725) | <0.001 |
| BQ | >1 | 47.4 (39.2–55.6) | 76.0 (70.5–80.9) | 1.97 | 0.69 | 1.995 (1.547–2.573) | 0.645 (0.597–0.690) | <0.001 |
| SBQ | >3 | 77.6 (70.2–84.0) | 55.6 (49.5–61.5) | 1.75 | 0.40 | 2.215 (1.809–2.711) | 0.737 (0.693–0.778) | <0.001 |
| AHI≥30 | ||||||||
| ESS | >8 | 57.1 (43.2–70.3) | 70.7 (65.8–75.2) | 1.95 | 0.61 | 1.191 (1.103–1.286) | 0.676 (0.630–0.720) | <0.001 |
| SACS | >7 | 69.6 (55.9–81.2) | 71.7 (66.9–76.2) | 2.46 | 0.42 | 1.093 (1.058–1.129) | 0.750 (0.706–0.790) | <0.001 |
| BQ | >1 | 64.3 (50.4–76.6) | 72.5 (67.7–77.0) | 2.34 | 0.49 | 3.132 (2.145–4.573) | 0.735 (0.691–0.776) | <0.001 |
| SBQ | >4 | 66.1 (52.2–78.2) | 82.1 (77.9–85.9) | 3.70 | 0.41 | 2.977 (2.232–3.970) | 0.824 (0.785–0.859) | <0.001 |
Abbreviations: ESS; Epworth sleepiness scale; OSA, obstructive sleep apnea; SACS, sleep apnea clinical score; BQ, Berlin Questionnaire; SBQ, STOP-BANG questionnaire; CI, confidence interval; + LR, positive likelihood ratio; - LR, negative likelihood ratio; AUC, area under curve.