期刊
ANNALS OF THE RHEUMATIC DISEASES
卷 75, 期 9, 页码 1661-1666出版社
BMJ PUBLISHING GROUP
DOI: 10.1136/annrheumdis-2015-208251
关键词
Spondyloarthritis; Disease Activity; Epidemiology
类别
资金
- French Society of Rheumatology, Master grant [2802]
- French Society of Rheumatology
- Pfizer, France
Objective To assess patient-physician discordance in global assessment of disease activity in early axial spondyloarthritis (axSpA) over time and determinants of discordance. Methods DESIR (Devenir des Spondyloarthropathies Indifferenciees Recentes) is a French, multicentre, longitudinal cohort of patients with early inflammatory back pain suggestive of axSpA. Patient global assessment (PGA) and physician global assessment (PhGA) were rated with a 0-10 numerical rating scale, every 6months during 2years then at 3years. Discordance was defined by the absolute difference |PGA-PhGA|3 (range 0-10) and was analysed at each visit. Determinants of (PGA-PhGA) were assessed at the visit level by a generalised linear mixed model. Results A total of 702 patients were analysed at baseline (401 with complete data over 3years): mean age 33.88.6years, 379 (54.0%) female, mean symptom duration 18.1 +/- 10.5months. Mean PGA values were always higher than mean PhGA values with a mean absolute difference of 1.8 points. At baseline, 202 (28.8%) patients had discordance mainly by PGA>PhGA; over 3years the frequency of discordance was stable (range 25.5-28.8%). Discordance was not stable at the patient level, 118 (29.4%) patients were discordant once and 88 (22.0%) twice, and only 92 (22.9%) more than twice. Determinants of (PGA-PhGA) were spine pain (=0.24, p<0.001) and fatigue (=0.13, p<0.001). Conclusions Discordance concerned a quarter of patients with early axSpA. Over 3years of follow-up, discordance did not decrease (no reference shift'). Discordance was not a stable trait, indicating discordance is not a patient characteristic.
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