Clinical Study
The Therapeutic Evaluation of Spinal Canal Decompression by Using the TBEIS Technique in the Treatment of Lumbar Spinal Stenosis
Table 1
Demographics of this study.
| | Median (range) or (%) |
| | Age (years) | 63.09 (53-72) | | Sex (male) | (65.7) | | Duration of symptoms (months) | 19.66 (13-28) | | Levels involved | | | L4-L5 | 23 (65.7) | | L5-S1 | 12 (34.3) | | Type of stenosis | | | Central stenosis | 15 (42.9) | | Lateral recess stenosis | 12 (34.3) | | Central stenosis combined with lateral recess stenosis | 8 (22.8) | | Schizas grade C | 20 (57.1) | | Schizas grade D | 15 (42.9) | | Number of levels operated | | | One level | 35 (100) | | Two levels | 0 (0) | | Spondylolisthesis | | | Grade 0 | 29 (82.9) | | Grade 1 | 6 (17.1) | | Follow-up (months) | 16.00 (12-19) | | Blood loss (ml) | 25.26 (15-35) | | Duration of surgery (min) | 140.71 (120-170) | | Hospital stay (days) | 5.97 (5-7) |
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