Table 3.
Crude and adjusted odds ratio for decrease of walking category and one-year mortality, stratified by the type of arthroplasty via the direct anterior approach.
| Decrease of walking category |
||||||
|---|---|---|---|---|---|---|
| Arthroplasty | Number of subjects | Number of decrease of walking category (%) | OR [95% CI] | p value | Adjusted OR [95% CI] | p value |
| BHA | 16 | 2 (12.5) | Ref | – | Ref | – |
| THA | 56 | 8 (14.2) | 1.22 [0.26–8.69] | 0.80 | 1.12 [0.15–11.2] | 0.90 |
| Single cup-THA | 30 | 4 (13.3) | Ref | – | Ref | – |
| DMC-THA | 26 | 4 (15.3) | 1.13 [0.24–5.27] | 0.87 | 0.66 [0.072–4.7] | 0.69 |
| One-year mortality | ||||||
| Arthroplasty | Number of subjects | Number of one-year mortality (%) | OR [95% CI] | p value | Adjusted OR [95% CI] | p value |
| BHA | 20 | 4 (20) | Ref | – | Ref | – |
| THA | 63 | 4 (6.2) | 0.26 [0.057–1.23] | 0.089 | 0.088 [0.0007–0.69] | 0.020 |
| Single cup-THA | 34 | 2 (5.8) | Ref | – | Ref | – |
| DMC-THA | 30 | 2 (6.6) | 1.14 [0.13–10.0] | 0.89 | 0.73 [0.045–10.1] | 0.81 |
p < 0.05: significant difference; OR: odds ratio; CI: confidence interval; Adjusted: Arthroplasty was adjusted for age, neuromuscular diseases with weakness, duration of surgery, perioperative blood loss and preoperative walking ability; BHA: bipolar hemiarthroplasty; THA: total hip arthroplasty; Single cup-THA: THA with a single conventional cup; DMC-THA: THA with a dual mobility cup.
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