Table 1 Demographic features of 136 patients
Items | Group A (65–74 years) | Group B (≥ 75 years) | P value |
|---|---|---|---|
Number of patients | 73 | 63 | |
Age (years) | 68.8 (65–74) | 80.1 (75–96) | |
Sex (M/F) | 35/38 | 23/40 | > 0.05 |
Comorbidities (n) | > 0.05 | ||
One | 17 | 14 | |
Two | 7 | 8 | |
Three or more | 5 | 6 | |
Surgical level | >0.05 | ||
L2/3 | 3 | 1 | |
L3/4 | 7 | 4 | |
L4/5 | 37 | 40 | |
L5/S1 | 26 | 18 | |