Table 2.
Association of Area Deprivation Index With TJA Outcomes
| Hazard ratio (95% CI) |
||||||
|---|---|---|---|---|---|---|
| Periprosthetic joint infection (PJI) |
Revision surgery |
Mortality |
||||
| Univariate | Multivariablea | Univariate | Multivariablea | Univariate | Multivariablea | |
| ADI quintile | ||||||
| Fifth quintile (81-100) | 1.60 (1.20-2.13) | 1.29 (0.89-1.86) | 1.52 (1.27-1.83) | 1.39 (1.10-1.76) | 1.74 (1.58-1.91) | 1.24 (1.09-1.42) |
| Fourth quintile (61-80) | 1.27 (1.01-1.58) | 0.95 (0.71-1.27) | 1.14 (0.99-1.31) | 1.07 (0.89-1.28) | 1.62 (1.50-1.74) | 1.18 (1.06-1.30) |
| Third quintile (41-60) | 1.19 (0.96-1.46) | 0.98 (0.75-1.28) | 1.13 (0.99-1.29) | 1.07 (0.91-1.27) | 1.47 (1.37-1.57) | 1.13 (1.02-1.24) |
| Second quintile (21-40) | 1.16 (0.93-1.43) | 1.01 (0.77-1.32) | 1.26 (1.11-1.44) | 1.18 (1.00-1.40) | 1.28 (1.19-1.38) | 1.09 (0.99-1.20) |
| First quintile (1-20) | Ref | Ref | Ref | Ref | Ref | Ref |
| Rurality | ||||||
| Large rural town | 1.31 (1.12-1.54) | 1.14 (0.92-1.41) | 1.10 (0.99-1.22) | 1.04 (0.91-1.20) | 1.10 (1.05-1.16) | 1.05 (0.97-1.13) |
| Small rural town | 1.16 (1.00-1.35) | 1.10 (0.91-1.33) | 1.09 (1.00-1.20) | 1.14 (1.01-1.28) | 1.12 (1.07-1.17) | 1.04 (0.98-1.11) |
| Urban | Ref | Ref | Ref | Ref | Ref | Ref |
| Nursing home residency | ||||||
| Nursing home resident | 1.59 (1.07-2.38) | 1.31 (0.74-2.32) | 1.18 (0.87-1.59) | 1.25 (0.82-1.88) | 3.84 (3.53-4.18) | 1.45 (1.29-1.63) |
| Not nursing home | Ref | Ref | Ref | Ref | Ref | Ref |
ADL, activities of daily living; BMI, body mass index; TJA, total joint arthroplasty.
a
Adjusted for age, sex, race, education, BMI > 30 kg/m2, smoking status, ADL limitations, American Society of Anesthesiologists score, and comorbidities.