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Table 2 Comparison of normal and abnormal EMG groups with clinical data (n = 14)

From: Correlation of lateral stenosis in MRI with symptoms, walking capacity and EMG findings in patients with surgically confirmed lateral lumbar spinal canal stenosis

 

Normal EMG

Abnormal EMG

p value

ODI

41.1 (9.3)

42.2 (9.4)

p = 0.280

VAS

31.5 (18.1)

41.9 (25.7)

p = 0.018

NRS leg pain

6.3 (2.1)

7.5 (1.5)

p = 0.000

NRS low back pain

4.2 (2.7)

4.8 (3.2)

p = 0.400

BDI

8.0 (3.9)

9.8 (3.8)

p = 0.014

Treadmill test

700 (426)

740 (385)

p = 0.642

  1. Data are means, ± standard deviations in parentheses.
  2. ODI = Oswestry disability index scale (0-100), VAS overall = Visual analogue pain scale (0-100), NRS LBP = NRS low back pain at rest, scale (0-10), NRS LP = NRS leg pain at walking, scale (0-10), BDI = Beck Depression inventory (0-63), treadmill exercise test (0-1000 metres).