Table 1 A1, A2, A3 and A4 four groups of baseline data comparison
Data/Group | Group A1 | Group A2 | Group A3 | Group A4 | P Value |
|---|---|---|---|---|---|
Number | 42 | 57 | 51 | 37 | — |
Gender (male/female) | 25/17 | 32/25 | 28/23 | 21/16 | 0.976 |
Age (years) | 51.8 ± 12.7 | 53.5 ± 11.8 | 52.1 ± 11.4 | 54.9 ± 13.2 | 0.533 |
Diagnosis (SS/LS/LDH) | 2026/7/9 | 1930/12/15 | 2029/11/11 | 2024/6/7 | 0.93 |
Preoperative CFS degree | No stenosis | Mild stenosis | Moderate stenosis | Severe stenosis | — |