Table 2 The perioperative characteristics between two groups
Variables | ACDF group | PDF group | p values |
|---|---|---|---|
No. of patients | 18 | 14 | |
Age (years) | 52.6 ± 7.5 | 58.5 ± 7.4 | 0.034 |
Gender | |||
Male | 10 (55.6%) | 9 (64.3%) | 0.725 |
Female | 8 (44.4%) | 5 (35.7%) | |
Time from primary arthrodesis (years) | 6.2 ± 2.4 | 6.8 ± 2.7 | 0.498 |
Surgery time (min) | 117 ± 21 | 176 ± 28 | < 0.001 |
Blood loss (ml) | 186 ± 57 | 498 ± 176 | < 0.001 |
Hospital stays (days) | 8.6 ± 2.2 | 11.1 ± 2.0 | 0.002 |
Follow-up (months) | 33.8 ± 6.9 | 36.1 ± 6.8 | 0.368 |
Symptoms before revision | |||
Myelopathy | 3 (16.7%) | 8 (57.1%) | 0.012 |
Radiculopathy | 11(61.1%) | 2 (14.3%) | 0.027 |
Myeloradiculopathy | 4 (22.2%) | 4 (28.6%) | 0.703 |