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Table 3 Cox multivariate proportional hazard analysis for pneumonia development in lung cancer patients who received treatment including cytotoxic chemotherapy

From: Smoking is associated with pneumonia development in lung cancer patients

 Hazard ratio95% Confidence intervalp-value
Age1.0431.012–1.0740.006
Line of therapy  0.015
 1   
 20.4050.212–0.7750.006
  ≥ 30.9040.463–1.7630.767
Neutropenia3.1991.826–5.605< 0.001
Smoking2.1251.071–4.2160.031
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