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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).