2Altman R,Asch E,Bloch D,et al.Development of criteria for the classification and reporting of osteoarthritis.Classification of osteoarthritis of the knee.Diagnostic and Therapeutic Criteria Committee of the American Rheumatism Association.Arthritis Rheum,1986,29(8):1039-1049.
3金不焕.医学统计方法.上海:复旦大学出版社,1993:97-102.
4Lequesne M.Indices of severity and disease activity for osteoarthritis.Semin Arthritis Rheum,1991,20(6 Suppl 2):48-54.