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有關 Risk factors for chronic postoperative pain 的敘述,下列何者為是?
(A) The risk of chronic pain appears to be increased in older patients
(B) No association between chronic pain and educational level
(C) No genetic predisposition to chronic pain syndromes (fibromyalgia syndrome, migraine, irritable bowel
syndrome, irritable bladder, Raynaud syndrome, backache)
(D) More chronic pain, and poorer outcomes in general, in operations lasting more than 3 h
(E) 以上敘述皆正確