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- Publisher Website: 10.1001/archderm.139.4.489
- Scopus: eid_2-s2.0-0037386863
- PMID: 12707096
- WOS: WOS:000182167900008
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Article: Case Clustering in Pityriasis Rosea: A Multicenter Epidemiologic Study in Primary Care Settings in Hong Kong
Title | Case Clustering in Pityriasis Rosea: A Multicenter Epidemiologic Study in Primary Care Settings in Hong Kong |
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Authors | |
Issue Date | 2003 |
Publisher | American Medical Association. The Journal's web site is located at http://www.archdermatol.com |
Citation | Archives of Dermatology, 2003, v. 139 n. 4, p. 489-493 How to Cite? |
Abstract | OBJECTIVES:
To investigate the epidemiology of pityriasis rosea in primary care settings in Hong Kong and to analyze for temporal clustering.
DESIGN:
Retrospective epidemiologic study.
SETTING:
Six primary care teaching practices affiliated with a university. Patients Forty-one patients with pityriasis rosea, 564 patients with atopic dermatitis (negative control condition), and 35 patients with scabies (positive control condition).
METHODS:
We retrieved all records of patients with pityriasis rosea, atopic dermatitis, or scabies diagnosed in 3 years. We analyzed temporal clustering by a method based on a regression model.
RESULTS:
The monthly incidence of pityriasis rosea is negatively but insignificantly correlated with mean air temperature (gamma s = -0.41, P =.19) and mean total rainfall (gamma s = -0.34, P =.27). Three statistically significant clusters with 7, 6, and 7 cases were identified (P =.03), occurring in the second coldest month in the year (February), the second hottest month (July), and a temperate month (April), respectively. For atopic dermatitis (negative control condition), the nonclustering regression model was selected by Akaike information criteria. For scabies (positive control condition), 1 cluster of 20 cases was detected (P =.03).
CONCLUSIONS:
Significant temporal clustering independent of seasonal variation occurred in our series of patients with pityriasis rosea. This may be indicative of an infectious cause. |
Persistent Identifier | http://hdl.handle.net/10722/225950 |
ISSN | 2014 Impact Factor: 4.789 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Chuh, AAT | - |
dc.contributor.author | Lee, A | - |
dc.contributor.author | Molinari, N | - |
dc.date.accessioned | 2016-05-31T06:54:19Z | - |
dc.date.available | 2016-05-31T06:54:19Z | - |
dc.date.issued | 2003 | - |
dc.identifier.citation | Archives of Dermatology, 2003, v. 139 n. 4, p. 489-493 | - |
dc.identifier.issn | 0003-987X | - |
dc.identifier.uri | http://hdl.handle.net/10722/225950 | - |
dc.description.abstract | OBJECTIVES: To investigate the epidemiology of pityriasis rosea in primary care settings in Hong Kong and to analyze for temporal clustering. DESIGN: Retrospective epidemiologic study. SETTING: Six primary care teaching practices affiliated with a university. Patients Forty-one patients with pityriasis rosea, 564 patients with atopic dermatitis (negative control condition), and 35 patients with scabies (positive control condition). METHODS: We retrieved all records of patients with pityriasis rosea, atopic dermatitis, or scabies diagnosed in 3 years. We analyzed temporal clustering by a method based on a regression model. RESULTS: The monthly incidence of pityriasis rosea is negatively but insignificantly correlated with mean air temperature (gamma s = -0.41, P =.19) and mean total rainfall (gamma s = -0.34, P =.27). Three statistically significant clusters with 7, 6, and 7 cases were identified (P =.03), occurring in the second coldest month in the year (February), the second hottest month (July), and a temperate month (April), respectively. For atopic dermatitis (negative control condition), the nonclustering regression model was selected by Akaike information criteria. For scabies (positive control condition), 1 cluster of 20 cases was detected (P =.03). CONCLUSIONS: Significant temporal clustering independent of seasonal variation occurred in our series of patients with pityriasis rosea. This may be indicative of an infectious cause. | - |
dc.language | eng | - |
dc.publisher | American Medical Association. The Journal's web site is located at http://www.archdermatol.com | - |
dc.relation.ispartof | Archives of Dermatology | - |
dc.subject.mesh | Cluster Analysis | - |
dc.subject.mesh | Hong Kong - epidemiology | - |
dc.subject.mesh | Incidence | - |
dc.subject.mesh | Middle Aged | - |
dc.subject.mesh | Pityriasis Rosea - epidemiology | - |
dc.title | Case Clustering in Pityriasis Rosea: A Multicenter Epidemiologic Study in Primary Care Settings in Hong Kong | - |
dc.type | Article | - |
dc.identifier.doi | 10.1001/archderm.139.4.489 | - |
dc.identifier.pmid | 12707096 | - |
dc.identifier.scopus | eid_2-s2.0-0037386863 | - |
dc.identifier.hkuros | 139908 | - |
dc.identifier.volume | 139 | - |
dc.identifier.issue | 4 | - |
dc.identifier.spage | 489 | - |
dc.identifier.epage | 493 | - |
dc.identifier.isi | WOS:000182167900008 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 0003-987X | - |