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Table 3 Clinical outcomes of patients with precise safety decompression via accurate double percutaneous lumbar foraminoplasty (DPLF) and percutaneous endoscopic lumbar decompression (PELD)

From: Short-term effectiveness of precise safety decompression via double percutaneous lumbar foraminoplasty and percutaneous endoscopic lumbar decompression for lateral lumbar spinal canal stenosis: a prospective cohort study

The mean operative duration time, min 63.2 (range, 30–110 min)  
The mean length of hospital stay, day 4.52 (range, 3–9 days)  
the mean times of intraoperative C-arm fluoroscopy use 13.8 (range, 5–41)  
VAS (leg pain/LBP) Mean (SD) Significance level
Pre op 7.05 ± 1.04/1.34 ± 0.48  
Post-op 3 mo 1.03 ± 0.79/1.02 ± 0.28 P < 0.05*/ P > 0.05
Final follow-up 0.75 ± 0.63/0.93 ± 0.31  
ODI Mean (SD) Significance level
Pre op 69.8 ± 9.05  
Post-op 3 mo 20.3 ± 5.52 P < 0.05*
Final follow-up 19.6 ± 5.21  
Subjective outcomesa
 Excellent 49  
 Good 16  
 Fair 3  
 Poor 1  
Satisfactory (excellent or good) results 65/69 (94.2%)  
  1. aMacnab criteria
  2. *Paired Student test