Table 2 Comparison of surgical characteristics in the first admission between the two groups
Study group | Control group | Statistics | p | |
|---|---|---|---|---|
Surgical method | ||||
Posterior decompression | 11 (52.4 %) | 49 (77.8 %) | ||
Circumferential decompression | 10 (47.6 %) | 14 (22.2 %) | 4.978 | 0.026 |
Surgery time (min) | 158.8 ± 33.3 | 139.8 ± 69.1 | 0.663 | 0.510 |
Blood loss (ml) | 946.2 ± 728.7 | 587.9 ± 882.2 | 1.206 | 0.232 |
Extubation time (day) | 4.6 ± 1.2 | 4.2 ± 1.5 | 0.813 | 0.419 |
Dural injury (yes/no) | 8/13 | 9/54 | 5.355 | 0.021 |
Length of hospital stay (day) | 12.8 ± 5.6 | 6.2 ± 1.5 | 7.801 | < 0.001 |