Table 1 Patients demographics: Data are presented as mean ± standard deviation. ASD group: patients who underwent revision surgery for adjacent segment disease after spinal fusion; CTRL group: patients without adjacent segment disease after spinal fusion
Variable | ASD | CTRL | P value |
|---|---|---|---|
No. of patients | 20 | 18 | |
Age (years) | 65.7 ± 8.0 | 60.6 ± 13.2 | 0.154 |
Female sex (%) | 65 | 50 | 0.363 |
Body mass index (kg/m2) | 26.3 ± 3.8 | 26.6 ± 5.0 | 0.877 |