Sharpe et al. [44]
|
5,882
|
23,517a
|
Population based
|
>2 tablets/week during years 2 – 5 before index date
|
Automated Database
|
NSAIDs (4%)
|
0.76
|
0.63–0.92
|
Harris et al. [33]
|
744
|
767a
|
Hospital based
|
>3 tablets/week during more than 5 years
|
Personal Interview
|
NSAIDs (16%)
|
0.6
|
0.4–0.8
|
Harris et al. [34]
|
511
|
1,534a
|
Hospital based
|
>3 tablets/week for at least 1 year
|
Personal Interview
|
Aspirin (12%)
|
0.69
|
0.46–0.99
|
| | | | | |
NSAIDs (28%)
|
0.66
|
0.52–0.83
|
Coogan et al. [25]
|
6,558
|
2,925a
|
Hospital based
|
>4 days/week for >3 months.
|
Personal Interview
|
Aspirin (N.R.)
|
0.7
|
0.5–0.8
|
| | | |
Continuing use during 1 year of lag time
| |
NA-NSAIDs (N.R.)
|
0.8
|
0.6–1.1
|
| | | | | |
NSAIDs (7%)
|
0.7
|
0.6–0.8
|
Langman et al. [36]
|
3,105
|
9,772a
|
Population based
|
>7 prescriptions during months 13–36 before index date
|
Automated Database
|
NSAIDs (6%)
|
1.10
|
0.92–1.30
|
Cotterchio et al. [27]
|
3,133
|
3,062a
|
Population based
|
Daily use for more than two months. 1 year before start date excluded
|
Mailed Questionnaire
|
Aspirin (14%)
|
0.73
|
0.61–0.87
|
| | | | | |
NA-NSAIDs (11%)
|
0.79
|
0.66–0.96
|
| | | | | |
NSAIDs (26%)
|
0.76
|
0.66–0.88
|
Meier et al. [61]
|
3,706
|
14,155a
|
Population based
|
≥30 prescriptions
|
Automated Database
|
NSAIDs (8%)
|
1.0
|
0.8–1.1
|
Rosenberg et al. [56]
|
4,485
|
4,906a
|
Hospital based
|
>3 days/week for >3 months 1.5 years of lag timev
|
Personal Interview
|
NSAIDs (6%)
|
0.8
|
0.6–1.0
|
Neugut et al. [62]
|
252
|
176a
|
Hospital based
|
Chronic aspirin use
|
Medical Records
|
Aspirin (9%)
|
0.80
|
0.35–1.80
|
Friedman et al. [20]
|
NR
|
143,574b
|
Cohort
|
ever use
|
Medical Records
|
Aspirin‡ (2%)
|
0.20
|
0.05–0.80
|
| | | | | |
NA-NSAIDs» (3%)
|
0.50
|
0.28–0.88
|
Johnson et al. [58]
|
938
|
27,616b
|
Cohort
|
>5 times per week
|
Mailed questionnaire
|
Aspirin (21%)
|
0.71
|
0.58–0.87
|
| | | | | |
NA-NSAID (13%)
|
1.01
|
0.83–1.25
|
Egan et al. [29]
|
2,414
|
89,528b
|
Cohort
|
>2 tablets/week reported in 4 consecutive questionnaires
|
Mailed Questionnaire
|
Aspirin (15%)
|
1.01
|
0.80–1.27
|
| | | | | |
NA-NSAIDs (4%)
|
0.95
|
0.78–1.17†
|
Harris et al. [35]
|
393
|
32,505b
|
Cohort
|
>4 tablest/week at start date
|
In-hospital Questionnaire
|
Aspirin (13%)
|
0.64
|
0.45–0.90
|
| | | | | |
NSAIDs (25%)
|
0.57
|
0.44–0.74
|
Paganini-Hill et al. [40]
|
214
|
8,881b
|
Cohort
|
Daily use of aspirin for an undefined time
|
Mailed Questionnaire
|
Aspirin (15%)
|
1.05§
|
0.73–1.50
|
Thun et al. [46]
|
NR.
|
344,350b
|
Cohort
|
More than 16 times per month for at least one year
|
Mailed Questionnaire
|
Aspirin (11%)
|
0.88
|
0.62–1.24
|
Schreinemachers et al. [43]
|
147
|
7,489b
|
Cohort
|
Ever use of aspirin in the 30 days prior to start date
|
Personal Interview
|
Aspirin (64%)
|
0.70
|
0.50–0.96
|