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Table 2 Comparison of surgical characteristics in the first admission between the two groups

From: Unplanned hospital readmission after surgical treatment for thoracic spinal stenosis: incidence and causative factors

  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