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Table 7 Survival analysis

From: Smoking status and survival: impact on mortality of continuing to smoke one year after the angiographic diagnosis of coronary artery disease, a prospective cohort study

Cohort A(Unmatched)

 

Smoking status

Total N

N of events

Censored

N

Percent

 

Smokers

1064

85

979

92.0%

 

Smokers who quit at one year

1519

65

1454

95.7%

 

Non-smokers

8606

610

7996

92.9%

Cohort B (matched)

Treatment

Smoking status

Total N

N of events

Censored

N

Percent

MT

Smokers

209

25

184

88.0%

Smokers who quit at one year

185

13

172

93.0%

Non-smokers

1697

184

1513

89.2%

RV

Smokers*§

216

24

192

88.9%

Smokers who quit at one year

176

9

167

94.9%

Non-smokers

1699

123

1576

92.8%

  1. *Log rank significance compared to smokers who quit at one year < 0.05.
  2. §Log rank significance compared to non-smokers < 0.05.
  3. MT: Medical Treatment; RV: Revascularization.