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Hu, et al.

KPS 100 100 100 100 90 100 (Contd...)
Follow-up outcome Patient Symptoms satisfaction and signs Yes movement; Yes movement; Yes movement; Yes movement; Yes movement; Yes movement;

Follow- up time (months) Free 9 No pain; No recurrence Free 15 No pain; No recurrence Free 14 Muscle force recovered; No pain; No recurrence Free 3 No pain; No recurrence Free 10 No Pain; No recurrence Free 13 No pain; No recurrence

Adjuvant treatment after surgery Radiotherapy None None Chemotherapy Radiotherapy Chemotherapy

Length of hospital stay (days) 9 8 9 7 9 22

Post-surgery complication No No No No No Cerebrospinal fluid Leakage/ infection

3D-printed prosthesis implant Success Success Success Success Success Success

Blood transfusion (mL) 1800 2000 4500 1500 2000 2200

Blood loss (mL) 2000 2300 6500 1600 2000 2300

Table 2. Surgery characteristics and follow-up outcomes.
Time of operation (mins) 666 405 385 424 326 518

Surgical vertebral approach Anterior and posterior approach Posterior approach Posterior approach Posterior approach Anterior and posterior approach Posterior approach

Resected numbers 4 3 3 3 4

ASA grade II III II II II 3 II

Case number 1 2 3 4 5 6

International Journal of Bioprinting (2022)–Volume 8, Issue 3 91