Sensitivity (SE), specificity (SP), positive predictive value (PPV) and negative predictive value (NPV) and 95% confidence interval (CI) of nocturnal oximetry for each cut off point in 216 patients with SAHS (194 men, 22 women)
| SE % (CI) | SP % (CI) | PPV % (CI) | NPV % (CI) | |
|---|---|---|---|---|
| ODI ⩾5 | 82 (77 to 87) | 76 (63 to 86) | 93 (88 to 96) | 54 (43 to 65) |
| ODI ⩾10 | 71 (65 to 77) | 90 (79 to 96) | 96 (92 to 99) | 46 (37 to 56) |
| ODI ⩾15 | 62 (56 to 69) | 93 (83 to 98) | 97 (92 to 99) | 40 (32 to 49) |