Skip to main content

Advertisement

Springer Nature is making SARS-CoV-2 and COVID-19 research free. View research | View latest news | Sign up for updates

Table 3 Standardised mortality ratios of smokers and never-smokers stratified by mode of identification.

From: Survival in severe alpha-1-antitrypsin deficiency (PiZZ)

  Smokers Never-smokers  
  O/E SMR (95% CI) O/E SMR (95% CI) RR (95% CI)
Respiratory cases 156/27.20 5.70 (4.90-6.70) 57/18.20 3.10 (2.37-4.06) 1.80(1.30-2.50)
Non-respiratory cases 35/11.20 3.10 (2.20-4.34) 44/15.40 2.85 (2.07-3.83) 1.10(0.70-1.70)
Screened cases 17/5 3.40 (1.98-5.43) 6/5 1.20 (0.44-2.63) 2.80(1.10-10.40)
  1. O: Observed number of deaths.
  2. E: Expected number of deaths from the general population.
  3. CI: Confidence interval.
  4. RR: Rate ratio.