3. Predictive factors for development of chronic pain include the following item? (1) moderate to
severe preoperative pain, (2) an operation with risk of nerve damage, (3)the intensity of acute
early postoperative pain (4) female patients.
(A) all of the above are all risk factors
(B) (1)+(2)+(3)
(C) (1)+(2)
(D) (4)
(E) none of them