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Table 1 Characteristics of patients

From: A comparison study of posterior cervical percutaneous endoscopic ventral bony decompression and simple dorsal decompression treatment in cervical spondylotic radiculopathy caused by cervical foraminal and/or lateral spinal stenosis: a clinical retrospective study

  VBD (N = 23) SDD (N = 23) P valuea
Sex, n (%)
 Male 12 (52.2) 9 (39.1) 0.554
 Female 11 (47.8) 14 (60.9)  
Level, n (%)
 C 5–6 17 (73.9) 20 (87.0) 0.457
 C 6–7 6 (26.1) 3 (13.0)  
Side, n (%)
 Left 12 (52.2) 16 (69.6) 0.365
 Right 11 (47.8) 7 (30.4)  
Age, mean ± sd 54.22 ± 10.52 57.48 ± 7.80 0.239
Preop Arm-VAS, mean ± sd 6.70 ± 2.70 7.39 ± 1.83 0.306
Preop Neck-VAS, mean ± sd 6.39 ± 2.59 7.09 ± 2.11 0.323
Preop NDI, mean ± sd 15.30 ± 4.55 15.78 ± 3.64 0.696
Preop JOA, mean ± sd 13.00 ± 0.74 13.43 ± 0.90 0.079
Preop Myodynamia, mean ± sd 4.43 ± 0.59 4.61 ± 0.58 0.32
  1. a Between each item values of two groups