Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 6 Statistical analysis (Chi square) of documented complications
From: Are clinical outcomes affected by type of plate used for management of mid-shaft clavicle fractures?
Infection rate | df | p value | Hardware failure | df | p value | |
|---|---|---|---|---|---|---|
Age | ||||||
≤ 30 years (n = 47) | 3 (6.4%) | NAa | 0.657 | 13 (27.7%) | 2 | 0.254 |
31–50 years (n = 38) | 1 (2.6%) | 15 (39.5%) | ||||
> 50 years (n = 17) | 0 | 4 (23.5%) | ||||
Sex | ||||||
Male (n = 74) | 4 (5.4%) | NAa | 0.573 | 22 (29.7%) | 1 | 0.655 |
Female (n = 28) | 0 | 10 (35.7%) | ||||
Mechanism | ||||||
High energy trauma (n = 24) | 1 (4.2%) | NAa | 1.0 | 9 (37.5%) | 1 | 0.743 |
Low energy trauma (n = 78) | 3 (3.8%) | 23 (29.5%) | ||||
Smoking | ||||||
Yes (n = 19) | 1 (5.3%) | NAa | 0.568 | 9 (47.4%) | 1 | 0.173 |
No (n = 83) | 3 (3.6%) | 23 (27.7%) | ||||
Open fracture | ||||||
Yes (n = 1) | 0 | NAa | 1.0 | 1 (100%) | NAa | 0.324 |
No (n = 101) | 4 | 31 (30.7%) | ||||
OTA classification | ||||||
B1 (n = 33) | 0 | NAa | 0.302 | 9 (27.3%) | 1 | 0.448 |
B2 (n = 69) | 4 (58.0%) | 23 (33.3%) | ||||