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Table 3 Prognostic factors for SCC survival outcome as determined by univariate and multivariate analyses

From: The presence of old pulmonary tuberculosis is an independent prognostic factor for squamous cell lung cancer survival

Variables Univariate   Multivariate  
  HR (95% CI) p-value HR (95% CI) p-value
TB     
Without TB 1.00 <0.01a 1.00 <0.05a
With TB 1.73(1.14~2.63)   1.72 (1.12~2.64)  
Sex     
Female 1.00 0.95 1.00 0.5
Male 0.98(0.54~1.76)   0.84(0.45~1.57)  
Stage of lung cancer b     
I 1.00   1.00  
II 2.08(1.35~3.20) <0.01a 1.89(1.12~2.93) <0.01a
III 6.26(4.33~9.05) <0.01a 5.27(3.58~7.74) <0.01a
IV 7.84(3.62~17.05) <0.01a 6.56(2.99~14.35) <0.01a
Smoking status     
Non-smoker 1.00 0.44 1.00 0.92
Smoker or ex-smoker 0.86(0.59~1.25)   1.01(0.69~1.50)  
Surgical approach     
Lobectomy 1.00 <0.05a 1.00 0.50
Pneumonectomy 1.50(1.06~2.13)   0.88(0.61~1.27)  
PS     
0 1.00 <0.01a 1.00 <0.05a
1 8.21(3.33~20.00)   4.81(1.94~11.90)  
  1. aA p-value less than 0.05 was considered significant. HR = hazard ratio.
  2. bAll patients were re-staged according to the 7th edition lung cancer staging. SCC = squamous cell carcinoma. TB = tuberculosis.