Table 1 Comparison of the demographic data of the patients in the BPS and the UPS groups
BPS | UPS | Total | ||
|---|---|---|---|---|
Number of patients | 42 | 36 | 78 | |
Age (years) | 64 (51–69) | 63 (52–70) | 64 (51–70) | |
Sex | 29 male | 26 male | 55 male | |
13 female | 10 female | 23 female | ||
Follow-up (months) | 27 (18–36) | 24 (19–28) | 25 (18–36) | |
Operative indication | Unilateral lumbar disc herniation | 16 | 13 | 29 |
Foraminal stenosis | 22 | 17 | 39 | |
Discogenic low back pain | 4 | 6 | 10 | |
Level of fusion | L4–L5 | 18 | 17 | 35 |
L5–S1 | 24 | 19 | 43 | |