Table 5 Examination of differential early and late effects in risk of all-cause mortality according to post diagnosis use of aspirin or NSAIDs

From: Aspirin and other non-steroidal anti-inflammatory drug use and colorectal cancer survival: a cohort study

   

Patient status at end of follow-up

Multivariate a

Drug type

Period examined

Post diagnosis exposure

Alive

Dead

HR

(95% CI)

Aspirin

0–5 years

Unexposed

3885

3498

1

 
  

Exposed

1143

776

0.83

(0.75, 0.92)

 

5–10 years

Unexposed

2160

708

1

 
  

Exposed

440

156

1.28

(1.05, 1.54)

 

>10 years

Unexposed

880

194

1

 
  

Exposed

78

26

1.95

(1.27, 2.99)

NSAIDs

0–5 years

Unexposed

4625

3780

1

 
  

Exposed

403

494

1.34

(1.21, 1.49)

 

5–10 years

Unexposed

2351

797

1

 
  

Exposed

249

67

0.99

(0.77, 1.28)

 

>10 years

Unexposed

886

196

1

 
  

Exposed

72

24

1.57

(1.01, 2.42)

  1. Abbreviations: CI=confidence interval; HR=hazard ratio.
  2. aAdjusted for: age, gender, smoking, BMI, alcohol use and comorbidity (Charlson index).