From: Hidden blood loss and its influencing factors after minimally invasive percutaneous transpedicular screw fixation in thoracolumbar fracture
Parameters
Mean
SD
T
P
Preoperative and postoperative HCT, %
3.0486
1.3208
27.890
< .001
Preoperative and postoperative HB, g/L
20.945
11.672
21.683