Document Detail

Unchanging clinico-epidemiological profile of lung cancer in north India over three decades.
MedLine Citation:
PMID:  20079703     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: In the recent past, adenocarcinoma has become the commonest histological type of lung cancer (LC) in the developed countries. The present study was conducted to assess the change in epidemiology of LC, if any, in North India.
METHODS: Prospectively collected data on 250 newly diagnosed LC patients presenting to a tertiary care institute was analyzed. Results were compared with the previously published data from this center.
RESULTS: No significant differences were observed in the demographical, histological or smoking profiles of LC patients compared to those seen three decades earlier. The mean [standard deviation] age was 57.9 [+/-11.3] years (previously 54.3 years). Male to female ratio was 4.43:1 (previously 4.48:1; p=0.952) while the smoker to non-smoker ratio was 2.67:1 (previously 2.68:1; p=0.980). The commonest histological types were squamous cell (34.8%), adenocarcinoma (26.0%) and small cell (18.4%) while previously these were 34.3%, 25.9% and 20.3%, respectively; p=0.916. However, in the present study, significant differences were observed between smokers and non-smokers in relation to distribution of gender, histology and disease stage.
CONCLUSIONS: There has been no significant change in the epidemiology of LC in North India over the past three decades. An absence of change in the smoking pattern of the population could be a possible reason.
Navneet Singh; Ashutosh N Aggarwal; Dheeraj Gupta; Digambar Behera; Surinder K Jindal
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Publication Detail:
Type:  Journal Article     Date:  2010-01-15
Journal Detail:
Title:  Cancer epidemiology     Volume:  34     ISSN:  1877-783X     ISO Abbreviation:  Cancer Epidemiol     Publication Date:  2010 Feb 
Date Detail:
Created Date:  2010-02-22     Completed Date:  2010-04-08     Revised Date:  2011-06-17    
Medline Journal Info:
Nlm Unique ID:  101508793     Medline TA:  Cancer Epidemiol     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  101-4     Citation Subset:  IM    
Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Sector 12, Chandigarh 160012, India. <>
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MeSH Terms
Adenocarcinoma / epidemiology
Carcinoma, Small Cell / epidemiology
Carcinoma, Squamous Cell / epidemiology
India / epidemiology
Lung Neoplasms / epidemiology*
Middle Aged
Smoking / epidemiology

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