Trend in lung cancer incidence in Kermanshah province -Iran, 1997-2007

Farid Najafi; Rasoul Jafari; Hamid-Reza Mozafari; Zahra Leghaei

Journal of Kermanshah University of Medical Sciences

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Trend in lung cancer incidence in Kermanshah province -Iran, 1997-2007

Author(s):

Farid Najafi^1,*,

Rasoul Jafari²,

Hamid-Reza Mozafari³,

Zahra Leghaei⁴

1Health Research Center, School of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran

2Studenr Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran

3School of Dentists, Kermanshah University of Medical Sciences, Kermanshah, Iran

4Kermanshah Provience Health Center, Kermanshah University of Medical Sciences, Kermanshah, Iran

Journal of Kermanshah University of Medical Sciences:Vol. 14, issue 4; e79448

Published online:Mar 19, 2011

Article type:Research Article

Received:Jan 12, 2010

Accepted:Jun 22, 2010

How to Cite:Farid NajafiRasoul JafariHamid-Reza MozafariZahra LeghaeiTrend in lung cancer incidence in Kermanshah province -Iran, 1997-2007.J Kermanshah Univ Med Sci.14(4):e79448.

Abstract

Background: Lung cancer is one of the most fatal and preventable cancers. In this study, we sought to investigate about trend in incidence of lung cancer in Kermanshah province -Iran.

Methods: All pathology reports on lung cancer were collected from pathology centers in Kermanshah Province in recent 11 years (1997-2007). After merging the data with cases reported in, province health centre data whole data were analysed using Stata8. Using world standard population, we calculated Standardized incidence proportion by direct method and using FAY & FEUER method. We calculated 95% confidence interval for incidence of lung cancer in each year.

Results: Over 11 years of study period, 637 patients with lung cancer have been reported in Kermanshah from total, 582 patients had primary lung cancer. The row and standardized incidence of this cancer was 3.2 and 6.1 in 100,000 people over 11 years of study, respectively. The incidence was increasesd with age. Annual percentage change showed a decrease over years (3.4% decrease in 100000 in each year) (P= 0.24). For the whole period of study, the incidence of lung cancer in men was greater than female and male to female ratio varied from 2.2 to 12.7.

Conclusion: Decrease in incidence of lung cancer was not significant. It might be partly due to non complete cancer registration as well as changes in cancer registration over years.

Keywords

lung cancer

trend

incidence

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