Table 2 Risk of all-cause mortality according to use of aspirin or NSAIDs after diagnosis

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

 

Aspirin non-user, HR

Aspirin user, HR

(95% CI)

NSAID non-user, HR

NSAID user, HR

(95% CI)

All participants

 Deaths/number remaining alive

4400/6925

958/1661

 

3914/6319

1444/2267

 

 Age-adjusted HR

1 (Ref)

0.94

(0.87, 1.01)

1 (Ref)

1.06

(1.00, 1.13)

 Age and pre-diagnosis drug use adjusted HR

1 (Ref)

0.89

(0.81, 0.98)

1 (Ref)

1.08

(1.00, 1.16)

 Multivariate HRa

1 (Ref)

0.91

(0.82, 1.00)

1 (Ref)

1.07

(0.98, 1.15)

Aspirin/NSAID non-users pre-diagnosis

 Deaths/number remaining alive

3910/6231

192/284

 

2391/3671

299/308

 

 Age-adjusted HR

1 (Ref)

0.99

(0.86, 1.15)

1 (Ref)

1.44

(1.27, 1.62)

 Multivariate HRa

1 (Ref)

0.99

(0.84, 1.16)

1 (Ref)

1.46

(1.27, 1.67)

Aspirin/NSAID users pre-diagnosis

 Deaths/number remaining alive

490/694

766/1377

 

1523/2648

1145/1959

 

 Age-adjusted HR

1 (Ref)

0.84

(0.75, 0.94)

1 (Ref)

0.97

(0.9, 1.05)

 Multivariate HRa

1 (Ref)

0.86

(0.76, 0.98)

1 (Ref)

0.95

(0.87, 1.03)

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