Description of the patients with RA who underwent an orthopedic surgery, between 1999 and 2015.
| Characteristics | All OS | THA | TKA | AA | ULA |
|---|---|---|---|---|---|
| n (% of all hospitalizations) | 21,088 (6.2) | 8709 (2.6) | 9006 (2.7) | 1372 (0.4) | 2230 (0.7) |
| Women, n (%) | 16,432 (100) | 6545 (39.83) | 7117 (43.31) | 1118 (6.8) | 1846 (11.23) |
| Men, n (%) | 4656 (100) | 2164 (46.80) | 1889 (40.57) | 254 (5.46) | 384 (8.25) |
| Age, yrs, mean (SD) | 65.02 (13.26) | 66.57 (14.78) | 65.97 (10.90) | 55.90 (13.12) | 59.93 (12.50) |
| Charlson Comorbidity Index, mean (SD) | 10.97 (12.55) | 13.48 (13.50) | 10.73 (11.20) | 6.69 (18.60) | 4.54 (4.69) |
| ALHS, mean (SD) | 1.26 (0.71) | 1.33 (0.80) | 1.25 (0.60) | 1.08 (0.50) | 1.13 (0.70) |
| In-hospital death, n (%) | 125 (0.60) | 104 (1.20) | 20 (0.20) | 1 (0) | 1 (0) |
RA: rheumatoid arthritis; OS: orthopedic surgery; THA: total hip arthroplasty; TKA: total knee arthroplasty; AA: arthrodesis; ULA: upper limb arthroplasty; ALHS: average length of hospital stay.