From: A retrospective comparative study of clinical efficacy of percutaneous short segment pedicle screw fixation with or without screwing of the fractured vertebra with O-arm navigation
Variable
Group A (n = 21)
Group B (n = 21)
P value
Operation time (min)
160.24 ± 52.84
153.955 ± 28.15
0.633
Incision length (cm)
11.95 ± 2.06
10.38 ± 1.36
0.006
blood loss (ml)
99.76 ± 32.15
100.38 ± 23.00
0.619