Total back pain among 3 groups were different, although the values did not reach statistical significance ( P = .088).
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Role of TNFRSF1A and TNFRSF1B polymorphisms in susceptibility, severity, and therapeutic efficacy of etanercept in human leukocyte antigen-B27-positive Chinese Han patients with ankylosing spondylitis.
1
0.0880
0.0880