Table 1.
Patients’ characteristics
| PMR (n = 39) | Non-PMR (n = 19) | |
|---|---|---|
| Sex, no. of females (%) | 26 (67%) | 13 (68%) |
| Age, median (range) | 71 (54–82) | 59 (42–81) |
| Fulfilling EULAR/ACR criteria for PMR, no. of patients (%)a | 34 (87%) | 4 (21%) |
| Fulfilling Chuang criteria for PMR, no. of patients (%) | 30 (77%) | 0 (0%) |
| Fulfilling EULAR/ACR or Chuang criteria for PMR, no. of patients (%) | 36 (92%) | 4 (21%) |
| Concomitant large-vessel GCA present, no. of patients (%) | 10 (26%) | 0 (0%) |
| Neck pain present, no. of patients (%) | 22 (56%) | 8 (42%) |
| Bilateral shoulder pain present, no. of patients (%) | 38 (97%) | 14 (74%) |
| Hip pain or stiffness present, no. of patients (%) | 34 (87%) | 16 (84%) |
| Morning stiffness > 45 min present, no. of patients (%) | 32 (82%) | 8 (42%) |
| Haemoglobin, mmol/L, median (range) | 7.5 (5.6–9.3) | 8.7 (6.1–11.0) |
| CRP, mg/L, median (range) | 35.0 (3.2–127.0) | 4.9 (0.3–35.0) |
| ESR, mm/h, median (range) | 57 (7–116) | 14 (2–91) |
| Platelet count, 109/L, median (range) | 334 (170–552) | 276 (140–402) |
Data are shown for the 58 patients, of which 39 patients received a final clinical diagnosis of PMR after 6 months follow-up.
a
Rheumatoid factor and anti-CCP were not tested in 5 patients (presumed negative for classification).