Table 1 Comparison of baseline data before PSM.
Variables | iLESSYS-delta (n = 102) | Fenestration (n = 99) | P value |
|---|---|---|---|
Gender (F) | 30 (14.93%) | 50 (24.88%) | 0.0036 |
History of smoking (none) | 66 (32.84%) | 85 (42.29%) | 0.0000 |
History of alcohol consumption (none) | 85 (42.29%) | 97 (48.26%) | 0.0001 |
History of heart disease (none) | 101 (50.25%) | 97 (48.26%) | 0.9800 |
Diabetes (none) | 95 (47.50%) | 92 (46.00%) | 0.9700 |
Hypertension (none) | 92 (45.77%) | 90 (44.78%) | 1.0000 |
Age | |||
< 45 years old | 68 (33.83%) | 37 (18.41%) | 0.0000 |
45–60 years old | 32 (15.92%) | 44 (21.89%) | |
> 60 years old | 2 (1.00%) | 18 (8.96%) | |
BMI | |||
< 18.5 | 28 (13.93%) | 35 (17.41%) | 0.1800 |
18.5–24 | 36 (17.91%) | 37 (18.41%) | |
24–27.9 | 32 (15.92%) | 26 (12.94%) | |
≥ 28 | 6 (2.99%) | 1 (0.50%) | |
Surgical segments | |||
L4/5 | 17 (8.46%) | 57 (28.36%) | 0.0000 |
L5/S1 | 85 (42.29%) | 42 (20.90%) | |
LSTV | |||
No | 93 (46.27%) | 95 (47.26%) | 0.2800 |
Yes | 9 (4. 48%) | 4 (1.99%) | |
Pfirrmann rating | |||
I–II | 8 (3. 98%) | 9 (4.48%) | 0.0500 |
III | 58 (28.86%) | 37 (18.41%) | |
IV | 30 (14.93%) | 42 (20.90%) | |
V | 6 (2.99%) | 11 (5.47%) | |
Endplate denaturation | |||
No | 88 (43.78%) | 85 (42.29%) | 1.0000 |
Yes | 14 (6.97%) | 14 (6.97%) | |
