Variable | UTA (n = 98) | CTA (n = 100) | p-value |
---|---|---|---|
Gender, M/F | 45/53 | 48/52 | 0.769 |
Age(y) | 66.84 ± 4.72 | 66.73 ± 5.12 | 0.162 |
BMI (kg/m2) | 26.11 ± 5.82 | 26.78 ± 6.26 | 0.241 |
BMD | −3.67 ± 0.62 | −3.66 ± 0.73 | 0.317 |
Side, R/L | 48/50 | 51/49 | 0.776 |
Symptomatic/asymptomatic patients prior to revision | 56/42 | 60/40 | 0.683 |
Mechanism of injury, No. % | 0.609 | ||
Traffic | 33 (33.7) | 36 (36.0) | |
Falling | 53 (54.1) | 56 (56.0) | |
Direct impact | 12 (12.2) | 8 (8.0) | |
IFFs, AO/OTA, No. % | 0.629 | ||
31A1 | 16 (16.3) | 19 (19.0) | |
31A2 | 57 (58.2) | 61 (61.0) | |
31A3 | 25 (25.5) | 20 (20.0) | |
Comorbidities, No. % | 0.747 | ||
Hypertension | 36 (36.7) | 33 (33.0) | |
Diabetes mellitus | 23 (23.5) | 21 (21.0) | |
Cerebrovascular accident | 10 (10.2) | 13 (13.0) | |
Reasons for conversion, n% | 0.954 | ||
Instability | 23 (23.5) | 25 (25.0) | |
Mechanical failure | 22 (22.4) | 23 (23.0) | |
Instability and mechanical failure | 53 (54.1) | 52 (52.0) | |
Interval from PFNA to revision (y) | 0.841 | ||
< 1 | 15 (15.3) | 17 (17.0) | |
1–2 | 53 (54.1) | 56 (56.0) | |
> 2 | 30 (30.6) | 27 (27.0) | |
Follow-up (mos) | 65.15 ± 4.40 | 65.26 ± 4.21 | 0.103 |