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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 5 Torg ratios for 2SD below the mean and their respective sensitivities and specificities in predicting lumbar stenosis

From: Application of a correlation between the lumbar Torg ratio and the area of the spinal canal to predict lumbar stenosis: a study of 420 postmortem subjects

Lumbar level

Lower limit for predicting CLS

Sensitivity %

Specificity %

L1

0.43

12

97

L2

0.43

30

96

L3

0.41

33

97

L4

0.38

50

98

L5

0.37

50

98