Table 1 Patient demographics
No Spondylolisthesis (N = 20) | Spondylolisthesis (N = 20) | |
|---|---|---|
Female sex, N | 17 (85) | 17 (85) |
Age, yr | 66.1 (9.7) | 66.8 (9.9) |
Height, cm | 158.4 (8.0) | 156.3 (7.5) |
Weight, kg | 64.0 (11.0) | 64.6 (8.0) |
BMI, kg/m2 | 25.4 (3.3) | 26.4 (2.8) |
ASA class, N | ||
I | 5 [25] | 6 (30) |
II | 13 (75) | 12 (60) |
III | 2 [10] | 2 [10] |
Comorbidities, N | ||
Hypertension | 11 (55) | 11 (55) |
Diabetes mellitus | 3 (15) | 4 (20) |
Coronary artery disease | 2 (10) | 5 (25) |
Cerebrovascular disease | 1 (5) | 1 (5) |
Chronic liver disease | 2(10) | 2 (10) |
Chronic kidney disease | 3 (15) | 1 (5) |
Pulmonary disease | 2 (10) | 1 (5) |
Others | 3 (15) | 0 (0) |
Spinal abnormality, N | ||
Spondylosis | 15 (75) | 14 (70) |
Scoliosis | 5 (25) | 5 (25) |
Compression fracture | 1 (5) | 4 (20) |
Other abnormality | 7 (35) | 7 (35) |
Level of spondylolisthesis, N | ||
L3 on L4 | - | 4 |
L4 on L5 | - | 7 |
L5 on S1 | - | 9 |