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Table 1 Patients’ enrollment data

From: Evaluating the outcome of classic laminectomy surgery alone versus laminectomy with fixation surgery in patients with lumbar canal stenosis regarding improvement of pain and function

Data Group A Group B P value
(n = 92) (n = 92)
Age (years) 40-50 9 (22.2%) 20 (26.7%) 0.082 S
> 50-60 54 (31.1%) 48 (33.3%)
> 60 29 (11.1%) 24 (8.9%)
Total 59.6 ± 7.2 57.6 ± 7.8 0.073 S
Gender Males 58 (63%) 63 (68.5%) 0.437
Females 34 (37%) 29 (31.5%)
BMI data Weight (kg) 84.3 ± 6.8 85.6 ± 7.6 0.227
Height (cm) 170.1 ± 3.5 170.4 ± 3.4 0.592
BMI (kg/m2) 29.1 ± 2 29.5 ± 2.3 0.563
Clinical findings Duration of LBP (months) < 24 20 (21.7%) 25 (27.2%) 0.674
24-36 58 (63%) 55 (59.8%)
> 36 14 (15.3%) 12 (13%)
Total 29.4 ± 6.2 28.1 ± 7.7 0.203
Level One level 11 (12%) 8 (8.7%) 0.332
Two levels 19 (20.7%) 13 (14.1%)
Three levels 62 (67.4%) 71 (77.2%)
  1. Enrollment criteria for studied patients showed non-significant differences between both groups