Table 1 Preoperative data on age, smoking, back and leg pain, analgesics, walking distances and peri- and postoperative complications in 50 patients aged 51–85 years who underwent decompression due to central lumbar spinal stenosis (CLSS)
Men (n = 25) | Women (n = 25) | |
|---|---|---|
Anthropometry | ||
Age (years) | 66 ± 8 | 71 ± 9 |
Height (cm) | 178 ± 7 | 164 ± 6 |
Weight (kg) | 88 ± 12 | 74 ± 10 |
Body mass index (kg/m2) | 28 ± 4 | 28 ± 4 |
Smokers [n] | 2 | 1 |
Duration of back pain [n] | ||
No back pain | 1 | 3 |
< 3 months | 1 | 0 |
3 to < 12 months | 4 | 1 |
12 to < 24 months | 3 | 6 |
24 months or more | 14 | 14 |
Missing data | 2 | 1 |
Duration of leg pain [n] | ||
No leg pain | 1 | 1 |
< 3 months | 0 | 0 |
3 to < 12 months | 5 | 3 |
12– 24 months | 2 | 6 |
24 months or more | 16 | 15 |
Missing data | 1 | 0 |
Estimated walking distance [n] | ||
< 100 m | 6 | 7 |
100–< 500 m | 13 | 7 |
500–< 1000 m | 4 | 7 |
1000 m or more | 2 | 3 |
Missing data | 0 | 1 |
Type of operation [n] | ||
Laminectomy without microscope | 25 | 25 |
Number of operated level(s) [n] | ||
One level | 15 | 17 |
Two levels | 7 | 8 |
Three levels | 2 | 0 |
> Three levels | 1 | 0 |
Level(s) of surgery [n] | ||
L4–L5 | 10 | 9 |
L3–L4 | 4 | 6 |
L3–L5 | 7 | 7 |
Other level(s) | 4 | 3 |
Complication [n] | ||
Dural rifts | 2 | 1 |
Nerve root injury/cauda equine syndrome | 0 | 0 |
Others | 3 | 2 |