Table 1.
Demographic features of primary and revision THA cohorts
| Primary THA | Revision THA | |||
|---|---|---|---|---|
|
| ||||
| 2-year (n = 5,707) | 5-year (n = 3,289) | 2-year (n=2,687) | 5-year (n=1,627) | |
|
| ||||
| Mean Age (±SD) | 65.0 ± 13.3 | 64.7 ± 12.9 | 65.7 ± 13.1 | 64.6 ± 13 |
| Men/Women (%) | 49%/51% | 47%/53% | 47%/53% | 46%/54% |
| Age groups n (%) | ||||
| ≤60 yrs | 30% | 30% | 30% | 32% |
| >60–70 yrs | 31% | 32% | 27% | 29% |
| >70–80 yrs | 30% | 31% | 34% | 32% |
| >80 yrs | 9% | 6% | 10% | 7% |
| Body Mass index (in kg/m2) | ||||
| ≤24.9 | 24% | 24% | 29% | 29% |
| 25–29.9 | 39% | 40% | 38% | 40% |
| 30–34.9 | 24% | 23% | 21% | 21% |
| 35–39.9 | 8% | 8% | 7% | 6% |
| ≥40 | 4% | 4% | 3% | 3% |
| American Society of Anesthesiologists | ||||
| Class I–II | 62% | 64% | 52% | 56% |
| Class III–IV | 38% | 36% | 48% | 43% |
| Deyo-Charlson Comorbidities | ||||
| Heart Disease | 7% | 6% | 6% | 4% |
| Peripheral Vascular Disease | 4% | 3% | 4% | 3% |
| Renal Disease | 5% | 4% | 4% | 3% |
| Chronic Obstructive Pulmonary Disease | 9% | 9% | 7% | 7% |
| Diabetes (with or without organ damage) | 6% | 5% | 7% | 7% |
| Connective tissue disease | 6% | 6% | 8% | 8% |