Table 1 Demographics of included patients
Value (Mean ± SD) | |
|---|---|
Sex (M/F, n) | 13/31 |
age (years) | 69.5 ± 6.9 |
Duration of symptoms(months) | 40.1 ± 33.5 |
L4 − 5 | 44 |
Blood loss(mL) | 13.9 ± 5.6 |
Drainage (mL) | 27.8 ± 13.0 |
Duration of operation (minutes) | 67.8 ± 15.9 |
Postoperative hospital stay (days) | 4.2 ± 1.4 |