Outcome Analysis of Intramedullary Nailing Augmented with Poller Screws for Treating Difficult Reduction Fractures of Femur and Tibia: a Retrospective Cohort Study
Table 2
Comparisons of operation-related data and outcomes between two groups.
Characteristics
Overall ()
Group A ()
Group B ()
value
Operation-related data
ASA grade, no. (%)
0.833
I
45 (46.9%)
15 (45.4%)
30 (47.6%)
II
32 (33.3%)
12 (36.4%)
20 (31.7%)
III
12 (12.5%)
3 (9.1%)
9 (14.3%)
IV
7 (7.3%)
3 (9.1%)
4 (6.4%)
Duration of operation#, min
0.772
Poller screw time#, min
NA
NA
Method of anesthesia, no. (%)
0.978
General anesthesia
38 (39.6%)
13 (39.4%)
25 (39.7%)
Regional anesthesia
58 (60.4%)
20 (60.6%)
38 (60.3%)
Volume of intraoperative hemorrhage#, mL
0.658
Outcomes
Fracture healing time#, weeks
0.023
Nonunion, no. (%)
0.048
Yes
8 (8.3%)
0 (0.0%)
8 (12.7%)
No
88 (91.7%)
33 (100.0%)
55 (87.3%)
Malunion, no. (%)
0.031
Yes
13 (13.5%)
1 (3.0%)
12 (19.0%)
No
83 (86.5%)
32 (97.0%)
51 (81.0%)
Infection, no. (%)
Superficial infection
0.711
Yes
8 (8.3%)
2 (6.1%)
6 (9.5%)
No
88 (91.7%)
31 (93.9%)
57 (90.5%)
Deep infection
0.544
Yes
2 (2.1%)
0 (0.0%)
2 (3.2%)
No
94 (97.9%)
33 (100.0%)
61 (96.8%)
Secondary surgical procedures
0.031
Yes
13 (13.5%)
1 (3.0%)
12 (19.0%)
No
83 (86.5%)
32 (97.0%)
51 (81.0%)
#The values are given as the mean and the standard deviation. , statistical significance.
