Table 1 Demographic characteristics of 147 Patients
Mean ± SD (range) or n (%) | |
|---|---|
Age (years) | 59.76 ± 8.02 (44–79) |
Sex male (%) | 87 (59.1) |
Body weight (kg) | 60.22 ± 10.76 (45–90) |
Height (cm) | 167.27 ± 6.94 (149–183) |
BMI (Body Mass Index) | 21.47 ± 3.18 (15.9–29) |
Duration of symptoms (months) | 51.19 ± 38.16 (4–120) |
Level involved | |
L4–5 | 86 (58.6) |
L5-S1 | 61 (41.4) |
Sides left (%) | 65 (44.2) |
Diagnosis | |
Lumbar spinal stenosis | 63 (42.9) |
Spondylolisthesis | 40 (27.2) |
Discogenic lower back pain | 21 (14.3) |
Lumbar segmental instability | 13 (8.8) |
Lumbar disc herniation | 10 (6.8) |
Comorbidities | |
Hypertension | 16 (10.8) |
Diabetes | 26 (17.7) |
Chronic pulmonary disease | 5 (3.4) |
Smoking | 35 (23.8) |
Other surgery history | 13 (8.8) |
Surgical time (min) | 128.07 ± 18.93 (100–170) |
Intra-operative blood loss (ml) | 248.78 ± 107.31 (110–700) |
Hospital stay after surgery (d) | 7.21 ± 0.94 (6–10) |
Follow-up (month) | 28.41 ± 4.49 (24–52) |