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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 6 Torg ratios of <0.55 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

0.55

89

58

L2

0.55

80

40

L3

0.50

80

56

L4

0.50

90

50

L5

0.50

90

53