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Tuberk Toraks. 2004;52(4):323-32.

Effects of prognostic factors and treatment on survival in advanced non-small cell lung cancer.

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Dr. Lütfi Kirdar Kartal Education and Research Hospital, Department of Chest Disease, Istanbul, Turkey.


In this study, 304 stage III-B and IV non-small cell lung cancer (NSCLC) cases diagnosed and followed up in our hospital between January 2000 and December 2002 are retrospectively analysed. The effects of demographic, clinical, laboratory findings and different therapeutic modalities on survival were investigated. Of the cases, 31 (10.2%) were women, 273 (89.8%) were men and mean age was 60.59 +/- 10.73. Analysis by the Kaplan-Meier method revealed that median survival was 6.0 +/- 0.5 (95% CI: 5.1-6.9) months and 12 and 24-month survival rates were 25.27 +/- 2.99% and 11.48 +/- 2.77% respectively. By univariate analysis of 33 parameters, 12 of them were found to be effective on survival and this relationship was statistically significant (p< 0.05). These parameters indicating poor prognosis were age > 70, ECOG performance score > 1, dyspnea, peripheral lymphadenomegaly (LAM), mediastinal invasion, pleural effusion, distant metastasis, elevated serum LDH, CA 19.9, CA-125 values, not receiving curative radiotherapy (RT) (> 50 Gy) or chemotherapy (CT). A multivariate analysis by Cox regression method revealed that advanced age, mediastinal invasion and metastatic disease were not independent prognostic factors on survival whereas ECOG performance score > 1 (p= 0.000), absence of CT (p= 0.000) and curative RT (p= 0.018), dyspnea (p= 0.035), peripheral LAM (p= 0.022) and pleural effusion (p= 0.043) were independent prognostic factors on survival.

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