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Incidence and clinical characteristics of National Institutes of Health type III prostatitis in the community.
J Urol 2005; 174(6):2319-22JU

Abstract

PURPOSE

Few population-based epidemiological studies of prostatitis have been performed. We used coded physician diagnoses and subsequent chart reviews to estimate the incidence and clinical characteristics of physician diagnosed National Institutes of Health (NIH) type III prostatitis.

MATERIALS AND METHODS

Computer searches of the Kaiser Permanente Northwest (Portland, Oregon) database were performed on the 2-year interval May 2002 to May 2004 to identify new diagnoses of chronic prostatitis (International Classification of Diseases, 9th Revision code 601.1) and prostatitis not otherwise specified (International Classification of Diseases, 9th Revision code 601.9). Of the 1,223 men identified with these coded diagnoses, chart reviews were performed on a random subset of 413 (33.8%). Patients were categorized based on NIH prostatitis definitions of type I/II-evidence of pyuria and/or bacteriuria on urinalysis or culture, type III-presence of at least 1 of the pain or urinary symptoms in the NIH Chronic Prostatitis Symptom Index (pain in the perineum, testicles, tip of penis, pubic or bladder area, dysuria, ejaculatory pain, incomplete emptying, urinary frequency), type IV-inflammation on prostate biopsy and Other-symptoms other than those listed.

RESULTS

Of the 413 patients 57 were previously diagnosed with prostatitis (prevalent cases), 46 had no evidence of a prostatitis diagnosis in the medical record and 7 were treated by physicians outside of the Kaiser Permanente Northwest plan. Of the remaining 303 the distribution was 58 type I/II, 189 type III, 33 type IV and 23 Other. The incidence of physician diagnosed type III prostatitis was 3.3 per 1,000 person-years. If those with isolated urinary symptoms were excluded from analysis, the incidence decreased to 2.8 per 1,000 person-years. The mean age of those with type III prostatitis was 52.9 years (range 29 to 82). The most common presenting symptoms were dysuria, urinary frequency and perineal pain. Symptom duration at presentation was less than 3 months in 44%, 3 months or greater in 31% and unspecified in 25%. The majority (78%) of new prostatitis diagnoses was made by primary care physicians.

CONCLUSIONS

These data indicate that prostatitis is commonly diagnosed in the community setting, and that type III prostatitis accounts for the majority of these diagnoses. The duration and complexity of symptoms are less than those reported in established prostatitis research cohorts. Most prostatitis diagnoses in the community are made by nonurologists.

Authors+Show Affiliations

Department of Urology, Northwestern University Feinberg School of Medicine, 303 East Chicago Avenue, Tarry 11-715, Chicago, IL 60611, USA. qclemens@northwestern.eduNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, N.I.H., Extramural

Language

eng

PubMed ID

16280832

Citation

Clemens, J Quentin, et al. "Incidence and Clinical Characteristics of National Institutes of Health Type III Prostatitis in the Community." The Journal of Urology, vol. 174, no. 6, 2005, pp. 2319-22.
Clemens JQ, Meenan RT, O'Keeffe Rosetti MC, et al. Incidence and clinical characteristics of National Institutes of Health type III prostatitis in the community. J Urol. 2005;174(6):2319-22.
Clemens, J. Q., Meenan, R. T., O'Keeffe Rosetti, M. C., Gao, S. Y., & Calhoun, E. A. (2005). Incidence and clinical characteristics of National Institutes of Health type III prostatitis in the community. The Journal of Urology, 174(6), pp. 2319-22.
Clemens JQ, et al. Incidence and Clinical Characteristics of National Institutes of Health Type III Prostatitis in the Community. J Urol. 2005;174(6):2319-22. PubMed PMID: 16280832.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Incidence and clinical characteristics of National Institutes of Health type III prostatitis in the community. AU - Clemens,J Quentin, AU - Meenan,Richard T, AU - O'Keeffe Rosetti,Maureen C, AU - Gao,Sara Y, AU - Calhoun,Elizabeth A, PY - 2005/11/11/pubmed PY - 2006/9/16/medline PY - 2005/11/11/entrez SP - 2319 EP - 22 JF - The Journal of urology JO - J. Urol. VL - 174 IS - 6 N2 - PURPOSE: Few population-based epidemiological studies of prostatitis have been performed. We used coded physician diagnoses and subsequent chart reviews to estimate the incidence and clinical characteristics of physician diagnosed National Institutes of Health (NIH) type III prostatitis. MATERIALS AND METHODS: Computer searches of the Kaiser Permanente Northwest (Portland, Oregon) database were performed on the 2-year interval May 2002 to May 2004 to identify new diagnoses of chronic prostatitis (International Classification of Diseases, 9th Revision code 601.1) and prostatitis not otherwise specified (International Classification of Diseases, 9th Revision code 601.9). Of the 1,223 men identified with these coded diagnoses, chart reviews were performed on a random subset of 413 (33.8%). Patients were categorized based on NIH prostatitis definitions of type I/II-evidence of pyuria and/or bacteriuria on urinalysis or culture, type III-presence of at least 1 of the pain or urinary symptoms in the NIH Chronic Prostatitis Symptom Index (pain in the perineum, testicles, tip of penis, pubic or bladder area, dysuria, ejaculatory pain, incomplete emptying, urinary frequency), type IV-inflammation on prostate biopsy and Other-symptoms other than those listed. RESULTS: Of the 413 patients 57 were previously diagnosed with prostatitis (prevalent cases), 46 had no evidence of a prostatitis diagnosis in the medical record and 7 were treated by physicians outside of the Kaiser Permanente Northwest plan. Of the remaining 303 the distribution was 58 type I/II, 189 type III, 33 type IV and 23 Other. The incidence of physician diagnosed type III prostatitis was 3.3 per 1,000 person-years. If those with isolated urinary symptoms were excluded from analysis, the incidence decreased to 2.8 per 1,000 person-years. The mean age of those with type III prostatitis was 52.9 years (range 29 to 82). The most common presenting symptoms were dysuria, urinary frequency and perineal pain. Symptom duration at presentation was less than 3 months in 44%, 3 months or greater in 31% and unspecified in 25%. The majority (78%) of new prostatitis diagnoses was made by primary care physicians. CONCLUSIONS: These data indicate that prostatitis is commonly diagnosed in the community setting, and that type III prostatitis accounts for the majority of these diagnoses. The duration and complexity of symptoms are less than those reported in established prostatitis research cohorts. Most prostatitis diagnoses in the community are made by nonurologists. SN - 0022-5347 UR - https://www.unboundmedicine.com/medline/citation/16280832/Incidence_and_clinical_characteristics_of_National_Institutes_of_Health_type_III_prostatitis_in_the_community_ L2 - https://www.jurology.com/doi/full/10.1097/01.ju.0000182152.28519.e7?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -