Variables | TP group (n = 62) | HA group (n = 102) | p value |
---|---|---|---|
Sex, male, n (%) | 47 (76) | 83 (81) | 0.39 |
Age, mean (SD), years | 70 (8.0) | 68 (9.3) | 0.06 |
BMI, mean (SD), kg/m2 | 24 (3.7) | 23 (3.4) | 0.60 |
ASA physical status (≥ 3), n (%) | 9 (15) | 19 (19) | 0.50 |
OPLL, n (%) | 17 (27) | 27 (26) | 0.89 |
Diabetes mellitus, n (%) | 23 (37) | 13 (13) | < 0.001 |
Antiplatelet or anticoagulant medicine, n (%) | 6 (9.7) | 13 (13) | 0.55 |
Level of operator (consultant), n (%) | 17 (27) | 51(51) | 0.003 |
Timing of operation (day time), n (%) | 34 (55) | 58 (57) | 0.80 |
Number of DL, mean (SD) | 4.3 (0.60) | 4.0 (0.64) | 0.03 |
Preoperative diameter of cervical canal, mean (SD), mm | 12 (1.2) | 12 (1.7) | 0.11 |
Laminoplasty of dens, n (%) | 13 (21) | 37 (36) | 0.04 |
Hemoglobin, mean (SD), g/dl | 13 (2.0) | 14 (1.7) | 0.42 |
Platelet, mean (SD), 104/μl | 21 (7.0) | 21 (17) | 0.99 |
eGFR, mean (SD), ml/min/1.73 m2 | 69 (25) | 71 (20) | 0.51 |
PT-INR, mean (SD) | 0.98 (0.13) | 1.1 (0.20) | 0.01 |
APTT, mean (SD), s | 29 (5.5) | 27 (4.2) | 0.07 |