Age in years and length of hospital admission in days resulting from surgical procedures to the lower limbs for inpatients with rheumatoid arthritis in Sweden between 1987 and 2001
| Study period | 1987 to 1996 | % | 1997 to 2001 | % | ||||
|---|---|---|---|---|---|---|---|---|
| RA, rheumatoid arthritis; SP, surgical procedure. | ||||||||
| Age at first surgery (median (SEM)) | ||||||||
| Lower limbs (RA related) | 66 (0.1) | 63 (0.2) | ||||||
| Foot SP (RA related) | 62 (0.3) | 59 (0.3) | ||||||
| Knee SP (RA related) | 68 (0.2) | 65 (0.3) | ||||||
| Hip SP (RA related) | 65 (0.2) | 64 (0.4) | ||||||
| Length of admission (days) for first operation (median (SEM)) | ||||||||
| Lower limbs (RA related) | 12±0.1 | 7±0.1 | ||||||
| Foot SP (RA related) | 4±0.3 | 4±0.1 | ||||||
| 0–2 days | 24 | 28 | ||||||
| 3–7 days | 47 | 55 | ||||||
| 8+ days | 30 | 17 | ||||||
| Knee SP (RA related) | 14±0.2 | 8±0.2 | ||||||
| 0–2 days | 1 | 9 | ||||||
| 3–7 days | 10 | 29 | ||||||
| 8+ days | 90 | 62 | ||||||
| Hip SP (RA related) | 13±0.2 | 9±0.2 | ||||||
| 0–2 days | 1 | 2 | ||||||
| 3–7 days | 11 | 30 | ||||||
| 8+ days | 88 | 68 | ||||||
| Hospital admission (days) for different age groups | ||||||||
| Foot SP (RA related) | ||||||||
| 30–59 years of age | ||||||||
| 0–2 days | 28 | 33 | ||||||
| 3–7 days | 50 | 55 | ||||||
| 8+ days | 22 | 12 | ||||||
| 60+ years of age | ||||||||
| 0–2 days | 21 | 25 | ||||||
| 3–7 days | 45 | 54 | ||||||
| 8+ days | 35 | 21 | ||||||
| Knee SP (RA related) | ||||||||
| 30–59 years of age | ||||||||
| 0–2 days | 1 | 15 | ||||||
| 3–7 days | 10 | 36 | ||||||
| 8+ days | 89 | 50 | ||||||
| 60+ years of age | ||||||||
| 0–2 days | 0.4 | 4 | ||||||
| 3–7 days | 10 | 26 | ||||||
| 8+ days | 90 | 70 | ||||||
| Hip SP (RA related) | ||||||||
| 30–59 years of age | ||||||||
| 0–2 days | 1 | 3 | ||||||
| 3–7 days | 14 | 38 | ||||||
| 8+ days | 86 | 59 | ||||||
| 60+ years of age | ||||||||
| 0–2 days | 0.4 | 2 | ||||||
| 3–7 days | 10 | 26 | ||||||
| 8+ days | 89 | 72 | ||||||