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Table 6 Association of differences in costs between different TJA groups

From: Comparison of adverse events, prescription medication, and costs after hip, knee, and shoulder total joint arthroplasty: a retrospective cohort study

 

Unadjusted

Adjusteda

Costsb

TJA group

Estimate (95% CI)

P-value

Estimate (95% CI)

P-value

Total health system cost

Knee

1.08 (1.02, 1.15)

0.010

1.09 (1.03, 1.15)

0.003

Shoulder

1.19 (1.08, 1.32)

 < 0.001

1.14 (1.05, 1.25)

0.003

Hip

REF

REF

REF

REF

Surgical episode cost

Knee

1.06 (1.00, 1.12)

0.050

1.06 (1.00, 1.12)

0.035

Shoulder

1.21 (1.12, 1.31)

 < 0.001

1.21 (1.12, 1.31)

 < 0.001

Hip

REF

REF

REF

REF

  1. aModel adjusted for: age, BMI, insurance type, readmission score measured at baseline, and average daily MME of opioid within 1 year of follow-up
  2. bCosts adjusted for inflation, 2020 equivalent. Models populated on a cohort of 2367 patients (costs trimmed to 1–99 percentile)
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Arthroplasty

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