Lumbar Spinal Stenosis

Purpose: Identify signs and symptoms indicative of lumbar spinal stenosis.

Stage of CPR Development: Derivation.

Rule:

1. Bilateral symptoms
2. Leg pain > back pain
3. Pain during walking/standing
4. Pain relief upon sitting
5. > 48 years old

Interpretation:

Variables	Sensitivity	Specificity	+LR	-LR	+ Post-test Prob
1	0.96	0.20	1.20	0.19	44.0%
2	0.68	0.62	1.80	0.51	55.0%
3	0.29	0.88	2.50	0.80	63.0%
4	0.06	0.98	4.60	0.95	76.0%
5	0.01	1.00	∞	0.99	99.0%

Research:

1. Cook C, Brown C, Michael K, Isaacs R, Howes C, Richardson W, Roman M, Hegedus E. The clinical value of a cluster of patient history and observational findings as a diagnostic support tool for lumbar spine stenosis. Physiother Res Int. 2011; 16(3): 170-8.

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