Table 4

 Multivariable results excluding the final 180 days

VariableOdds ratio95% CIp value
Symptoms
    Haemoptysis4.01.6 to 100.004
    Dyspnoea2.41.6 to 3.5<0.001
Investigations
    Abnormal spirometry3.51.2 to 9.60.02
Smoking<0.001
    Non-smoker1.0
    Current smoker9.05.8 to 14
    Ex-smoker6.84.2 to 11
    Smoking status unknown4.32.7 to 6.9