HR for mortality 0 to 90 days after THA. Twenty-five patients died within that period.
| Crude | Adjusted | |||||
|---|---|---|---|---|---|---|
| HR | 95% CI | p | HR | 95% CI | p | |
| Age | ||||||
| < 60 yrs | 1 | — | — | 1 | — | — |
| 60–75 yrs | 9.9 | 1.3–75.5 | 0.03 | 6.9 | 0.9–51.4 | 0.06 |
| > 75 yrs | 20.1 | 2.6–156.6 | 0.004 | 10.7 | 1.3–88.0 | 0.03 |
| Sex | ||||||
| Female | 1 | — | — | 1 | — | — |
| Male | 1.2 | 0.6–2.8 | 0.7 | 1.3 | 0.6–3.2 | 0.5 |
| Diagnosis | ||||||
| RA | 1 | — | — | 1 | — | — |
| Other | 1.1 | 0.5–2.8 | 0.8 | 1.7 | 0.6–5.0 | 0.3 |
| Year of surgery | ||||||
| 1992–1998 | 1 | — | — | 1 | — | — |
| 1999–2005 | 0.4 | 0.1–1.2 | 0.1 | 0.4 | 0.1–1.3 | 0.1 |
| 2006–2012 | 0.6 | 0.2–1.9 | 0.4 | 0.8 | 0.2–2.4 | 0.6 |
| Charlson Comorbidity Index | ||||||
| Low | 1 | — | — | 1 | — | — |
| Moderate | 2.2 | 0.6–7.4 | 0.2 | 3.3 | 0.8–13.0 | 0.09 |
| High | 7.0 | 1.4–34.7 | 0.02 | 9.0 | 1.6–49.9 | 0.01 |
| Level of education | ||||||
| 9 yrs | 1 | — | — | 1 | — | — |
| High school | 0.1 | 0.0–0.6 | 0.01 | 0.2 | 0.0–0.8 | 0.03 |
| University | 0.2 | 0.0–1.2 | 0.07 | 0.2 | 0.0–1.5 | 0.1 |
| None | 3.2 | 0.9–10.7 | 0.06 | 2.7 | 0.7–1.0 | 0.2 |
| Income | ||||||
| 1st quarter | 1 | — | — | 1 | — | — |
| 2nd quarter | 0.8 | 0.3–2.2 | 0.6 | 1.0 | 0.3–3.0 | 1.0 |
| 3rd quarter | 0.8 | 0.3–2.3 | 0.7 | 1.5 | 0.5–4.7 | 1.5 |
| 4th quarter | 0.7 | 0.2–2.0 | 0.5 | 2.0 | 0.6–6.6 | 2.0 |
Adjustment for age, sex, diagnosis, year of surgery, Charlson Comorbidity Index, level of education, and personal income. THA: total hip arthroplasty; RA: rheumatoid arthritis.