Article
Different clinical features in patients with ankylosing spondylitis from southern and northern China.
International journal of rheumatic diseases - 1 Apr 2012
Ma Hai-jun, Yin Qing-feng, Hu Feng-ping, Guo Ming-hao, Liu Xiang-dong, Liu Yun, Xu Qing-yu
Abstract excerpt
AIMS: To describe clinical features of patients with ankylosing spondylitis (AS) from southern and northern China, and investigate the effects of onset age, gender and regional differences on disease phenotype. METHODS: Totally 113 AS patients from southern China and 121 AS patients from northern China were analyzed retrospectively. RESULTS: In southern and northern groups, low back pain was more frequent among...
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