No. of cases | 32 |
Age at surgery (years) | 62.2 ± 7.7 |
Gender (male/female) | 3/29 |
BMI (kg/m2) | 25.6 ± 2.4 |
Coronal imbalance types | |
 Type A | 16 |
 Type B | 9 |
 Type C | 7 |
PCO plus UCS | |
 L4-5 | 22 |
 L5-S1 | 10 |
LIV (L5/S1) | 22/10 |
No. of instrumentation levels | 7.1 ± 1.6 |
Surgery time (min) | 299 ± 43 |
Estimated blood loss (mL) | 1088 ± 295 |
VAS-back | |
 Preoperative | 5.9 ± 2.1 |
 Two-year follow-up | 1.4 ± 0.7 |
 Paired t test | t = 12.984, p < 0.001 |
VAS-leg | |
 Preoperative | 4.7 ± 2.8 |
 Two-year follow-up | 1.2 ± 0.6 |
 Paired t test | t = 6.785, p < 0.001 |
ODI | |
 Preoperative | 28.1 ± 9.1 |
 Two-year follow-up | 6.4 ± 1.7 |
 Paired t test | t = 11.555, p < 0.001 |