Parameters | Number of screws | P value | ||
---|---|---|---|---|
RA (nā=ā55) | PS (nā=ā60) | CBT (nā=ā51) | ||
Screw grade | Ā | Ā | Ā | 0.012 |
A | 192 (87.3%) | 195 (81.3%) | 156 (76.5%) | Ā |
B | 24 (10.9%) | 39 (16.2%) | 36 (17.6%) | Ā |
C | 4 (1.8%) | 6 (2.5%) | 10 (4.9%) | Ā |
D | 0 (0) | 0 (0) | 1 (0.5%) | Ā |
E | 0 (0) | 0 (0) | 1 (0.5%) | Ā |
Aā+āB | 216 (98.2%) | 234 (97.5%) | 192 (94.1%) | 0.045 |
Cā+āDā+āE | 4 (1.8%) | 6 (2.5%) | 12 (5.9%) | Ā |
Violation grade | Ā | Ā | Ā | 0.001 |
0 | 79 (71.8%) | 66 (55.0%) | 80 (78.4%) | Ā |
1 | 23 (20.9%) | 51 (42.5%) | 22 (21.6%) | Ā |
2 | 7 (6.4%) | 3 (2.5%) | 0 (0) | Ā |
3 | 1 (0.9%) | 0 (0) | 0 (0) | Ā |