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Table 4 Effect of gender, age, and region for each study period estimated by stratified Poisson regression

From: Incidence of solitary pulmonary nodules in Northeastern France: a population-based study in five regions

 

IRRa

95%CIb

p

2002–2003

 Gender

  

<0.0001

  Men

3.47

2.43–4.96

 

  Women

1 (reference)

  

 Age

  

<0.0001

   < 40

0.05

0.02–0.13

 

  40–49

0.59

0.32–1.06

 

  50–59

1 (reference)

  

  60–69

1.52

0.90–2.59

 

   ≥ 70

3.50

2.25–5.44

 

 Region

  

0.0003

  Alsace

1 (reference)

  

  Bourgogne

0.50

0.28–0.89

 

  Champagne-Ardenne

1.22

0.75–1.99

 

  Franche-Comté

1.07

0.63–1.81

 

  Lorraine

1.61

1.03–2.51

 

2004–2005

 Gender

  

<0.0001

  Men

2.32

1.83–2.95

 

  Women

1 (reference)

  

 Age

  

<0.0001

   < 40

0.08

0.05–0.13

 

  40–49

0.44

0.28–0.69

 

  50–59

1 (reference)

  

  60–69

1.84

1.30–2.60

 

   ≥ 70

2.60

1.91–3.56

 

 Region

  

<0.0001

  Alsace

1 (reference)

  

  Bourgogne

0.42

0.28–0.62

 

  Champagne-Ardenne

0.68

0.47–0.99

 

  Franche-Comté

0.28

0.18–0.43

 

  Lorraine

1.03

0.77–1.38

 
  1. aIRR: Incidence rate ratio
  2. b95% CI: 95% confidence interval