Table 6 Sensitivity and specificity of each cut-off value for the risk score for low back pain with the exclusion of the Thai ERIQ
From: Development of a risk score for low back pain in office workers - a cross-sectional study
Cut-off value | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|
≥ 1 | 100.0 | 1.9 | 56.0 | 100.0 |
≥ 2 | 98.4 | 12.3 | 58.3 | 86.4 |
≥ 3 | 88.5 | 33.1 | 62.3 | 69.9 |
≥ 4 | 79.7 | 57.8 | 70.2 | 69.5 |
≥ 5 | 63.0 | 69.5 | 72.0 | 60.1 |
≥ 6 | 44.3 | 83.8 | 77.3 | 54.7 |
≥ 7 | 23.4 | 95.5 | 86.5 | 50.0 |
≥ 8 | 6.8 | 98.1 | 81.2 | 45.8 |
≥ 9 | 0.5 | 100.0 | 100.0 | 44.6 |