Group 1 | Group 2 | P value | |
---|---|---|---|
Age (years) | 53 ± 16 | 54 ± 16 | 0.686 |
Gender | |||
Female | 8 | 8 | 0.682 |
Male | 14 | 18 | |
Level | |||
L1–L2 | 4 | 5 | 0.998 |
L2–L3 | 3 | 4 | |
L3–L4 | 5 | 5 | |
L4–L5 | 8 | 10 | |
L5–S1 | 2 | 2 | |
Duration of operation (min) | 185 ± 14 | 171 ± 12 | 0.000 |
Blood loss (ml) | 165 ± 73 | 873 ± 318 | 0.000 |
Stay at hospital (days) | 6(4–8) | 12(8–15) | 0.000 |
Follow-up period (months) | 20 ± 2 | 20 ± 2 | 0.839 |