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Table 4 Multivariable models comparing WOMAC pain and function by neighborhood immigrant proportion (IP)

From: Living in immigrant communities does not impact total knee arthroplasty outcomes: experience from a high-volume center in the United States

Timepoint WOMAC pain Mean ± SE p-value WOMAC function Mean ± SE p-value
Preoperative   0.29   0.10
 Immigrant Proportion < 10% 52.56 ± 1.07   51.78 ± 1.06  
 Immigrant Proportion ≥ 40% 51.32 ± 1.22   49.88 ± 1.21  
2-year Postoperative   0.60   0.58
 Immigrant Proportion < 10% 87.19 ± 0.98   84.49 ± 0.98  
 Immigrant Proportion ≥ 40% 86.62 ± 1.13   83.89 ± 1.13  
  1. SE standard error, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index
  2. Multivariable models adjusted for age, sex, comorbidities (none vs. ≥ 1), live alone, and census tract percent poverty. 2-year models included additional adjustment for BMI and corresponding baseline WOMAC pain or function