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. 2024 Mar 5;19:167. doi: 10.1186/s13018-024-04621-2

Table 2.

Comparison of clinical surgical indicators in AUSS and UBE groups

AUSS UBE t P
Operation time (min) 50.2 ± 8.9 55.7 ± 9.3 6.585  < 0.0001
Incision length (cm) 1.5 ± 0.2 3.1 ± 0.3 68.52  < 0.0001
Intraoperative blood loss (mL) 64.7 ± 7.8 74.2 ± 6.9 14.05  < 0.0001
Time in bed (h) 16.7 ± 6.3 16.4 ± 7.4 0.4761 0.6342
Hospital stay (d) 4.8 ± 2.4 5.1 ± 2.8 1.255 0.2102

AUSS Arthroscopic-assisted Uni-portal Spinal Surgery; UBE Unilateral bi-portal endoscopy