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Table 4 Adjusted hazard ratio for overall survival from Cox proportional hazard model

From: Management of patients with early stage lung cancer – why do some patients not receive treatment with curative intent?

FactorsHazard ratio95% CI of hazard ratioP-value
Sex
 FemaleRef  
 Male1.21(0.91 - 1.62)0.195
Ethnicity
 Māori1.25(0.92 - 1.69)0.151
 Non-MāoriRef  
Age (Continuous)1.01(0.99 - 1.03)0.172
Charlson Comorbidity
 0Ref  
 11.10(0.70 - 1.75)0.673
 21.07(0.66 - 1.73)0.794
 31.02(0.55 - 1.86)0.959
 4+1.19(0.58 - 2.44)0.640
Smoking status
 Current smoker2.51(1.06 - 5.94)0.037
 Ex-smoker2.24(0.96 - 5.22)0.061
 Never smokedRef  
Year of diagnosis (Continuous)0.94(0.87 - 1.00)0.068
Stage
 IRef  
 II1.35(1.02 - 1.80)0.039
Primary treatment
 Curative surgeryRef  
 SABR0.77(0.37 - 1.61)0.486
 Radiotherapy1.94(1.23 - 3.07)0.005
 Curative chemo/Rad1.80(0.80 - 4.03)0.153
 Palliative rad2.89(1.72 - 4.85)< 0.001
 Palliative chemo1.69(0.66 - 4.32)0.270
 Supportive care3.35(2.26 - 4.96)< 0.001