Table 5 Predictors of total diagnostic interval stratified by lung cancer stage

From: Symptoms and other factors associated with time to diagnosis and stage of lung cancer: a prospective cohort study

 

Early stage ( n =48)

Late stage ( n =103)

Variable

Adjusted HR (95% CI)

P -value

Adjusted HR (95% CI)

P -value

Age

0.98 (0.93–1.03)

0.39

1.01 (0.98–1.04)

0.53

Gender (reference: female)

2.87 (1.01–8.16)

0.05

0.90 (0.51–1.56)

0.70

Educational status (reference: degree or higher)

A level/GCSE/O level

0.40 (0.13–1.23)

0.11

0.76 (0.41–1.41)

0.39

Other/none

0.44 (0.16–1.17)

0.10

0.63 (0.36–1.12)

0.12

Smoking status (reference: smoker)

Ex-smoker

1.52 (0.42–5.48)

0.52

1.04 (0.58–1.88)

0.89

Never smoker

1.32 (0.33–5.24)

0.70

1.02 (0.25–4.13)

0.98

Deprivation IMD (reference=1st quintile ‘least deprived’)

2nd Quintile

0.87 (0.30–2.50)

0.79

1.21 (0.62–2.40)

0.57

3rd Quintile

2.33 (0.61–8.92)

0.22

1.15 (0.59–2.25)

0.68

4th Quintile

1.36 (0.33–5.63)

0.67

1.29 (0.62–2.66)

0.50

5th Quintile

2.70 (0.55–13.28)

0.22

0.75 (0.36–1.56)

0.44

Comorbidity

Respiratory

0.97 (0.40–2.396)

0.95

0.63 (0.34–1.18)

0.15

Perceived family history cancer risk

0.18 (0.06–0.51)

0.00

1.17 (0.67–2.03)

0.58

First symptom/s

Coughing up blood

Not includeda

Not includeda

Cough or worsening cough >3 weeks

0.58 (0.21–1.57)

0.28

1.07 (0.66–1.72)

0.79

Breathlessness or worsening >3 weeks

0.24 (0.08–0.74)

0.01

0.96 (0.55–1.70)

0.90

Chest/shoulder pain >3 weeks

Not includeda

1.66 (0.90–3.08)

0.11

Hoarseness >3 weeks

Not includeda

Not includeda

Decreased appetite

Not includeda

1.29 (0.68–2.41)

0.43

Unexplained weight loss

Not includeda

Not includeda

Fatigue or tiredness ‘unusual for you’

0.40 (0.13–1.20)

0.10

1.26 (0.72–2.20)

0.42

Different ‘in yourself’

2.53 (0.81–7.90)

0.11

1.59 (0.84–3.01)

0.15

  1. Abbreviations: CI=confidence interval; HR=hazard ratio; IMD=Index of Multiple Deprivation.
  2. aLess than 10 cases.