Table 4 Llikelihood ratios, sensitivities, and specificities for the three SBT groups' diagnostic performance in relation to identifying patients with high scores on three more comprehensive questionnaires
| Â | Pretest risk of high scores, % (95% CI) | Neg. LHR (95% CI) | Pos. LHR (95% CI) | Sensitivity % (95% CI) | Specificity % (95% CI) |
|---|---|---|---|---|---|
MDI | 10 (8 - 14) | Â | Â | Â | Â |
Low risk | Â | 2.01 (1.63 - 2.48) | .42 (.26 - .67) | 27 (15 - 41) | 37 (32 - 41) |
Medium Risk | Â | .82 (.65 - 1.04) | 1.46 (1.01 - 2.11) | 41 (27 - 56) | 72 (68 - 76) |
High Risk | Â | .74 (.61 - .90) | 3.83 (2.30 - 6.37) | 33 (20 - 48) | 92 (88 - 94) |
FABQ | 6 (4 - 8) | Â | Â | Â | Â |
Low risk | Â | 2.35 (1.96 - 2.81) | .18 (.06 - .52) | 11 (2 - 29) | 38 (33 - 43) |
Medium Risk | Â | 1.00 (.78 - | 1.00 (.55 - 1.82) | 30 (14 - 52) | 70 (66 - 75) |
High Risk | Â | 1.29) .44 (.28 - .70) | 7.21 (4.63 - 11.2) | 59 (39 - 78) | 92 (89 - 94) |
Catastrophising | 15 (12 - 19) | Â | Â | Â | Â |
Low risk | Â | 2.10 (1.72 - 2.55) | .41 (.28 - .61) | 27 (17 - 39) | 35 (30 - 40) |
Medium Risk | Â | .95 (.80 - 1.13) | 1.12 (.78 - 1.63) | 32 (22 - 45) | 71 (66 - 76) |
High Risk | Â | .63 (.52 - .77) | 6.67 (4.14 - 10.8) | 41 (29 - 53) | 94 (91 - 96) |