Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 4 Statistical analysis (Chi square) of re-operation rate in clavicle fracture cohort
From: Are clinical outcomes affected by type of plate used for management of mid-shaft clavicle fractures?
Patients requiring revision surgery | n (%) | df | p value |
|---|---|---|---|
Age | |||
≤ 30 years (n = 47) | 8 (17%) | 2 | 0.06 |
31–50 years (n = 38) | 10 (26.3%) | ||
> 50 years (n = 17) | 0 (0%) | ||
Sex | |||
Male (n = 74) | 12 (16.2%) | 1 | 0.538 |
Female (n = 28) | 6 (21.4%) | ||
Mechanism | |||
High energy trauma (n = 24) | 5 (20.8%) | 1 | 0.331 |
Low energy trauma (n = 78) | 11 (14.1%) | ||
Smoking | |||
Yes (n = 19) | 5 (26.3%) | 1 | 0.272 |
No (n = 83) | 13 (15.7%) | ||
Open fracture | |||
Yes (n = 1) | 0 (0%) | NAa | 1.0 |
No (n = 101) | 18 (17.8%) | ||
OTA classification | |||
B1 (n = 33) | 7 (21.2%) | 1 | 0.514 |
B2 (n = 69) | 11 (15.9%) | ||
Plate used | |||
2.7 mm calcaneal (n = 28) | 7 (25%) | 4 | 0.516 |
2.7 mm reconstruction (n = 20) | 4 (20%) | ||
3.5 mm reconstruction (n = 36) | 6 (16.7%) | ||
3.5 mm pre-contoured (n = 8) | 0 | ||
3.5 mm locking compression (n = 10) | 1 (10%) | ||
Number of plate holes utilized | |||
5 (n = 2) | 1 (50%) | 5 | 0.250 |
6 (n = 9) | 2 (22.2%) | ||
7 (n = 14) | 2 (14.3%) | ||
8 (n = 42) | 4 (11.9%) | ||
9 (n = 32) | 9 (28.1%) | ||
10 (n = 3) | 0 (0%) | ||
Post-operative symptoms at 6 weeks | |||
Pain, (n = 17) | 8 (47.1%) | 3 | 0.002 |
None (n = 85) | 10 (11.8%) | ||