Recruitment flowchart, showing numbers of patients recruited by type of surgery and those lost up until the times of the follow-up visit and phone interviews in the first and second years. Chronic postsurgical pain (CPSP) incidences at all data collection moments are included. *Candidates for the third telephone interview 1 yr after surgery. †Candidates for the fourth (final) telephone interview 2 yr after surgery. AH = abdominal hysterectomy; HR = hernia repair; T = thoracotomy; VH = vaginal hysterectomy.