Factors related to acupuncture response in patients with chronic prostatitis/chronic pelvic pain syndrome: secondary analysis of a randomized controlled trial

Xinlu Wang1, Lili Zhu1, Min Yang1, Yu Chen2, Zhishun Liu1
1Department of Acupuncture, Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
2Department of Chinese Medicine, New Zealand College of Chinese Medicine, Aukland, New Zealand

Tóm tắt

Acupuncture has been recommended as an effective therapy to improve symptoms of chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS). We conducted this secondary analysis to explore the factors that may influence the response of patients with CP/CPPS to acupuncture. This secondary analysis was based on a randomized controlled trial demonstrating the efficacy of acupuncture among patients with CP/CPPS. Responder is defined as a patient with a decrease of  ≥ 6 points in National Institutes of Health Chronic Prostatitis Symptom Index (NIH-CPSI) total score from baseline at the 32 week. 206 patients who received acupuncture treatment and completed 32-week follow-up were included in this secondary analysis. Descriptive statistics were used to describe the demographic and clinical characteristics of both responders and non-responders in acupuncture group. Logistic regression analysis with bootstrapping was made to identify potential factors that contributed to the effectiveness of acupuncture for treating CP/CPPS. Responders and non-responders were listed as dependent variables. In this study, 130 (63.11%) patients were assessed as responders. The results showed that men with non-sedentariness (OR 4.170 [95%CI 1.837 to 9.463; P = 0.001]), non-smoking habit (OR 2.824 [95%CI 1.453 to 5.487; P = 0.002]), without comorbidity (OR 8.788 [95%CI 1.912 to 40.295; P = 0.005]), and severe NIH-CPSI total score (OR 0.227 [95%CI 0.114 to 0.450; P < 0.0001]) benefited more from acupuncture intervention. CP/CPPS patients who are active, non-smokers, without comorbidity, and had severe symptoms may be more likely to respond to acupuncture.

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