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Sensitivity, specificity, positive and negative likelihood ratio, positive and negative predictive values, and threshold value of lumbar lordosis for discriminating the 6MWT.
| AUC | P | Criterion | Sensitivity | Specificity | +LR | −LR | +PV | −PV | |
|---|---|---|---|---|---|---|---|---|---|
| lumbar lordosis | 0.85 | 0.003 | >36° | 87.5 | 90 | 8.7 | 0.14 | 87.5 | 90 |
6MWT, 6 min walk test; AUC, area under curve; LR, likelihood ratio; PV, predictive value.
aBold data signify a statistically significant difference.
