Table 2 Perioperative characteristics by type of procedure
Variables | UBC (n = 67) | Control (n = 61) | p-value |
|---|---|---|---|
Operative time, min | 146.9 ± 13.9 | 152.1 ± 13.7 | 0.035* |
EBL, mL | 116.9 ± 16.5 | 123.8 ± 15.8 | 0.017* |
Length of hospital stay (days) | 5.6 ± 1.7 | 5.8 ± 1.5 | 0.551 |
Perioperative complications, n (%) | 3 | 5 | 0.605 |
Dural sac tearing | 2 (3%) | 3 (4.9%) | |
Incision infection | 1 | 2 (3.4%) | |
Dural sac CSA, cm2 | |||
 Preop | 0.82 ± 0.09 | 0.81 ± 0.08 | 0.700 |
 1yr postop | 1.53 ± 0.05 | 1.54 ± 0.04 | 0.447 |
 Improvement percentage of dural sac CSA (%) | 87.7 ± 20.3 | 89.9 ± 20.8 | 0.546 |