Table 1 Demographic and clinical characteristics of the 71 patients with SAPHO syndrome
From: Anterior chest wall in SAPHO syndrome: magnetic resonance imaging findings
Demographic and clinical characteristics (n = 71) |  |
|---|---|
Demographic characteristics | |
 Sex, female/male | 55/16 |
 Age at imaging, mean (S.D.), years | 44.0 (12.1) |
 Age at onset of osteoarticular symptoms, mean (S.D.), years | 49.0 (10.6) |
 Age at onset of skin lesions, mean (S.D.), years | 40.2 (10.2) |
 Duration of disease, mean (S.D.), months | 51.3 (9.9) |
 Age at SAPHO diagnosis, mean, (S.D.), years | 44.0 (12.3) |
 Duration of diagnosis, mean (S.D.), years | 4.0 (5.0) |
Clinical characteristics, number (%) | |
 Anterior chest pain | 71 (100.0) |
 Spinal or sacroiliac pain | 52 (73.2) |
 Peripheral skeletal pain | 41 (57.7) |
 Skin manifestations | |
  None | 7 (9.9) |
  Palmoplantar pustulosis | 59 (83.1) |
  Severe acne | 5 (7.0) |
Laboratory findings | |
 ESR, median (range), mm/h | 17 (2–91) |
 hs-CRP, median (range), g/l | 4.24 (0.41–57.63) |
 ESR or hs-CRP elevated, number (%) | 45 (63.4) |
 ANA positive, number (%) | 5 (7.0) |
 RF positive, number (%) | 2 (2.8) |
 HLA-B27 positive, number (%) | 4 (5.6) |
Whole-body bone scintigraphy | |
 Anterior chest wall | 71 (100) |
 Spine | 43 (60.6) |
 Sacroiliac joint | 28 (39.4) |
 Peripheral skeleton | 22 (31.0) |
 Skull | 9 (12.7) |
 Pelvis | 3 (4.2) |