• Evans R
• Hawk C
• Long CR
• Cambron JA

• Manipulation, Chiropractic
• Patient Selection
• Pelvic Pain / therapy
• Women / psychology

DESIGN: Multisite pilot study for a randomized, placebo-controlled clinical trial.

SETTING: Three chiropractic institutions in or near major metropolitan cities in the Midwestern United States.

SUBJECTS: Thirty-nine women aged 18 to 45 with chronic pelvic pain of at least 6 months duration, diagnosed by a board certified gynecologist. ,p>MAIN OUTCOME MEASURES: The method of recruitment was collected for each individual who responded to an advertisement and completed an interviewer-administered telephone screen. Participants who were willing and eligible after 3 baseline visits were entered into a randomized clinical trial. The number of responses and accrual rates were determined for the overall study, each of the 3 treatment sites, and each of the 5 recruitment efforts.

RESULTS: In this study, 355 women were screened over the telephone and 39 were randomized, making the rate of randomization approximately 10%. The most effective recruitment methods leading to randomization were direct mail (38%) and radio advertisements (34%). However, success of the recruitment process differed by site.

CONCLUSIONS: Based on the accrual of this multisite pilot study, a full-scale trial would not be feasible using this study's parameters. However, useful information was gained on recruitment effectiveness, eligibility criteria, and screening protocols among the 3 metropolitan sites.

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