Table 1 Characteristics of the study population
Variables | n—30(%) |
|---|---|
Age | |
Mean + SD | 57.03 + 9.42 years |
Range | 35–72 years |
Gender | |
Male | 21 (70%) |
Female | 7(30%) |
Symptoms | |
1—Sensory paresthesia | 29 (96.7%) |
2—Motor weakness | 8 (26.7%) |
3—Bladder bowel involvement | 6 (20%) |
Imaging features | |
1—Level of stenosis | |
a—L3-4/L4-5 | 20 (66.7%) |
b—L4-5/L5-S1 | 7 (23.3%) |
2—Spondylolisthesis | |
Present | 9 (30%) |
Absent | 21 (70%) |
Preoperative EQ-5D 5L | |
1—Mobility | |
a—Level 1 and 2 | 3 (10%) |
b—Level 3–5 | 27 (90%) |
2—Self-care | |
a—Level 1 and 2 | 8 (26.7%) |
b—Level 3–5 | 22 (73.3%) |
3—Usual activities | |
a—Level 1 and 2 | 7 (23.3%) |
b—Level 3–5 | 23 (76.7%) |
4—Pain and discomfort | |
a—Level 1 and 2 | 3 (10%) |
b—Level 3–5 | 27 (90%) |
5—Anxiety and depression | |
a—Level 1 and 2 | 21 (70%) |
b—Level 3–5 | 9 (30%) |
Preoperative OLBPDI | |
1—Minimal disability | 0 |
2—Moderate disability | 1 (3.3%) |
3—Severe disability | 6 (20%) |
4—Crippled | 12 (40%) |
5—Disabled | 11 (36.7%) |