|
Variable
|
Total (n = 376)
|
RG (172)
|
FH (204)
|
P
|
|---|
|
Patients (n)
|
81
|
37
|
44
| |
|
Sex
| | | |
0.778
|
|
Male
| |
14
|
18
| |
|
Female
| |
23
|
26
| |
|
Mean age (years)
|
63.65 ± 10.50
|
64.86 ± 9.70
|
62.64 ± 11.13
|
0.344
|
|
Mean BMI (kg/m2)
|
26.48 ± 4.38
|
25.99 ± 4.20
|
26.90 ± 4.53
|
0.355
|
|
Screws (n) per case
|
4.64 ± 0.94
|
4.65 ± 0.95
|
4.64 ± 0.94
|
0.954
|
|
Time for single screw Placement
|
6.49 ± 1.33
|
5.58 ± 1.22
|
7.25 ± 0.84
|
P < 0.001*
|
|
Intraoperative blood Loss (ml)
|
262.10 ± 109.29
|
248.65 ± 97.53
|
273.41 ± 118.20
|
0.313
|
|
Radiation time (min)
|
0.41 ± 0.10
|
0.37 ± 0.10
|
0.43 ± 0.07
|
0.001*
|
|
Revision
|
3
|
0
|
3
|
0.108
|
|
Complications
|
|
Infection
|
4
|
1
|
3
|
0.401
|
|
Neurological injury
|
0
|
1
|
3
|
0.108
|
- RG Robot-Assisted, FH Free-Hand
- *P < 0.05. Statistically significant differences between the two groups
