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Войти в исследования International journal of rheumatic diseases · 2014
Clinical characteristics of nonradiographic axial spondyloarthritis in Korea: a comparison with ankylosing spondylitis.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Jeong Hyemin, Yoon Ji Y, Park Eun-Jung, Hwang Jiwon, Kim Hyungjin, Ahn Joong K, Lee Jaejoon, Koh Eun-Mi, Cha Hoon-Suk
Аннотация
AIM: To evaluate the clinical characteristics and outcomes of nonradiographic axial spondyloarthritis (nr-axSpA) in Korean patients.
METHODS: A retrospective analysis evaluated 155 patients with nr-axSpA at a single tertiary hospital between January 2001 and January 2011. Baseline characteristics and clinical courses were reviewed and compared with those of patients with ankylosing spondylitis (AS).
RESULTS: The mean age at disease onset was 29.5 ± 10.8 years and 52 (33.5%) patients were female. The mean age at symptom onset was older (29.5 ± 10.8 vs 25.9 ± 9.2, respectively, P < 0.001) and the male-to-female ratio was lower (2 : 1 vs 5 : 1, respectively, P = 0.001) in patients with nr-axSpA compared with patients with AS. The proportion of females was higher among patients with late onset SpA than early-onset nr-axSpA (55.0% vs 30.1%, respectively, P = 0.029). Among 74 patients with nr-axSpA, whose follow-up duration was more than 1.5 years, 29 (39.2%) patients progressed to AS during the follow-up period. The proportion of females was lower in progressors that that of non-progressors (13.8% vs 44.4%, respectively, P = 0.010). Presence of syndesmophyte and minimal X-ray changes at baseline were frequently observed in progressors compared with non-progressors (26.7% vs 0.0%, P = 0.006 and 69.0 vs 35.6%, P = 0.005, respectively).
CONCLUSIONS: The predominance of male patients is more prominent among Korean patients with SpA compared with Caucasians. Female nr-axSpA patients had late symptom onset and less progression to AS. X-ray changes at baseline were associated with radiographic progression.
METHODS: A retrospective analysis evaluated 155 patients with nr-axSpA at a single tertiary hospital between January 2001 and January 2011. Baseline characteristics and clinical courses were reviewed and compared with those of patients with ankylosing spondylitis (AS).
RESULTS: The mean age at disease onset was 29.5 ± 10.8 years and 52 (33.5%) patients were female. The mean age at symptom onset was older (29.5 ± 10.8 vs 25.9 ± 9.2, respectively, P < 0.001) and the male-to-female ratio was lower (2 : 1 vs 5 : 1, respectively, P = 0.001) in patients with nr-axSpA compared with patients with AS. The proportion of females was higher among patients with late onset SpA than early-onset nr-axSpA (55.0% vs 30.1%, respectively, P = 0.029). Among 74 patients with nr-axSpA, whose follow-up duration was more than 1.5 years, 29 (39.2%) patients progressed to AS during the follow-up period. The proportion of females was lower in progressors that that of non-progressors (13.8% vs 44.4%, respectively, P = 0.010). Presence of syndesmophyte and minimal X-ray changes at baseline were frequently observed in progressors compared with non-progressors (26.7% vs 0.0%, P = 0.006 and 69.0 vs 35.6%, P = 0.005, respectively).
CONCLUSIONS: The predominance of male patients is more prominent among Korean patients with SpA compared with Caucasians. Female nr-axSpA patients had late symptom onset and less progression to AS. X-ray changes at baseline were associated with radiographic progression.