Table 8Cardiovascular events in observational studies

Author, Year
Data Source
Sample size
Mean age
Country
Rate of Aspirin useMain Findings
Andersohn 2006132
Nested case-control
Cases=3,643
69

UK
NRAcute MI, death from acute MI, or sudden death from CHD
Current NSAID use vs. nonuse of NSAIDs: RR (95% CI)
Celecoxib: 1.6 (1.2 to 2.0)
Diclofenac: 1.4 (1.2 to 1.6)
Ibuprofen: 1.0 (0.86 to 1.2)
Naproxen: 1.2 (0.84 to 1.6)
Other nonselective NSAIDs: 1.1 (0.98 to 1.2)
Cunnington, 2008148
Cohort
n=71, 026
<65 years old: 52%

USA
NRMI or ischemic stroke
Chronic NSAID use vs. nonchronic or nonuse: HR (95% CI)
Celecoxib: 1.0 (0.91 to 1.2)
Naproxen: 0.99 (0.64 to 1.5)
Fischer, 2005133
Nested case-control
Cases=8,688
NR

UK (GPRD)
NRAcute MI
Current NSAID use vs. nonuse of NSAIDs: OR (95% CI)
Diclofenac: 1.2 (1.0 to 1.5)
Ibuprofen: 1.2 (0.92 to 1.5)
Naproxen: 0.96 (0.66 to 1.4)
Indomethacin: 1.4 (0.82 to 2.2)
Piroxicam: 0.95 (0.53 to 1.7)
Ketoprofen: 0.86 (0.44 to 1.7)
Fenbufen: 3.1 (1.2 to 8.1)
Nabumetone: 0.62 (0.25 to 1.5)
Mefenamic acid: 2.3 (0.79 to 6.7)
Etodolac: 1.1 (0.40 to 3.2)
Tiaprofenic acid: 0.65 (0.17 to 2.5)
Fosbol, 2009149
Cohort
n=1,028,437
43 (median)

Denmark
NRMI or death
NSAID use vs. nonuse of NSAIDs: HR (95% CI)
Celecoxib: 1.5 (0.99 to 2.2)
Diclofenac: 1.6 (1.3 to 1.9)
Ibuprofen: 0.88 (0.74 to 1.1)
Naproxen: 0.85 (0.49 to 1.5)
Garcia Rodriguez, 2004134
Nested case-control
Cases: 4,975
NR

UK (GPRD)
NRMI
NSAID use vs. nonuse of NSAIDs: OR (95% CI)
Naproxen: 0.89 (0.64 to 1.2)
Ibuprofen: 1.1 (0.87 to 1.3.)
Diclofenac: 1.2 (0.99 to 1.4)
Ketoprofen: 1.1 (0.59 to 2.0)
Meloxicam: 0.97 (0.60 to 1.6)
Piroxicam: 1.2 (0.69 to 2.2)
Indomethacin: 0.86 (0.56 to 1.3)
Graham 2005135
Nested case- control
Cases=8,143
NR: 18– 84

USA
Telephone interview subgroup (n=817): 23%Acute MI requiring admission or sudden cardiac death
Current NSAID use vs. remote use: OR (95% CI)
Celecoxib: 0.84 (0.67 to 1.0)
Ibuprofen: 1.1 (0.96 to 1.2)
Naproxen: 1.1 (1.0 to 1.3)

Current NSAID use vs. celecoxib use: OR (95% CI)
Ibuprofen: 1.3 (1.0 to 1.6)
Naproxen: 1.4 (1.1 to 1.8)
Helin- Salmivaara, 2006129
Case-control
Cases=33,309
NR

Finland
NRFirst time MI
Current NSAID use vs. nonuse of NSAIDs: OR (95% CI)
Indomethacin: 1.6 (1.2 to 2.0)
Ibuprofen: 1.4 (1.3 to 1.6)
Diclofenac: 1.4 (1.2 to 1.5)
Naproxen: 1.2 (1.0 to 1.4)
Piroxicam: 1.4 (0.92 to 2.0)
Ketoprofen: 1.1 (0.94 to 1.3)
Tolfenamic acid: 1.4 (0.90 to 2.2)
Nimesulide: 1.7 (1.4 to 2.0)
Etodolac: 1.4 (0.44 to 4.2)
Nabumetone: 1.3 (0.59 to 2.7)
Meloxicam: 1.2 (0.99 to 1.6)
Celecoxib: 1.1 (0.83 to 1.3)

Recent (within 30 days) NSAID use vs. nonuse of NSAIDs: OR (95% CI)
Indomethacin: 1.5 (1.0 to 2.1)
Ibuprofen: 1.1 (0.94 to 1.3)
Diclofenac: 0.93 (0.77 to 1.1)
Naproxen: 1.3 (1.0 to 1.7)
Piroxicam: 0.89 (0.49 to 1.6)
Ketoprofen: 1.3 (1.0 to 1.7)
Tolfenamic acid: 1.3 (0.74 to 2.3)
Nimesulide: 1.1 (0.91 to 1.4)
Etodolac: 0.95 (0.23 to 4.0)
Nabumetone: 3.0 (0.96 to 9.4)
Meloxicam: 1.0 (0.77 to 1.4)
Celecoxib: 0.95 (0.65 to 1.4)
Hippisley-Cox 2005136
Nested case- control
Cases: 9,218
NR; aged 25–100

UK
NRFirst ever MI
NSAID use within 3 months vs. no prescription for 3 years: OR (95% CI)
Celecoxib: 1.2 (0.96 to 1.5)
Ibuprofen: 1.2 (1.1 to 1.4)
Diclofenac: 1.6 (1.4 to 1.7)
Naproxen: 1.3 (1.0 to 1.6)
Other nonselective NSAIDs: 1.2 (1.0 to 1.4)
Johnsen 2005137
Case-control
Cases=10,280
70

Denmark
7% high-doseAcute MI
Current NSAID use vs. nonuse of NSAIDs: RR (95% CI)
Celecoxib: 1.2 (0.97 to 1.6)
Naproxen: 1.5 (0.99 to 2.3)
Other nonaspirin NSAID: 1.7 (1.5 to 1.8)

New NSAID use vs. nonuse of NSAIDs: (95% CI)
Celecoxib: 2.1 (1.4 to 3.1)
Naproxen: 1.6 (0.57 to 4.8)
Other nonaspirin NSAID: 2.6 (2.0 to 3.5)
Kimmel 2005138
Case-control
Cases: 1,718
NR; aged 40 to 75

USA
34%Nonfatal MI
NSAID use vs. nonuse of NSAIDs: OR (95% CI)
Celecoxib: 0.43 (0.23 to 0.79)
Nonselective NSAID: 0.61 (0.52 to 0.71)
Levesque 2005139
Nested case- control
Cases: 2,844
NR; ≥ 66

Canada
22%Acute MI, fatal or nonfatal
NSAID current use vs. nonuse of NSAIDs: RR (95% CI)
Celecoxib: 0.99 (0.85 to 1.2)
Naproxen: 1.2 (0.75 to 1.8)
Meloxicam: 1.1 (0.49 to 2.3)
Mamdani 2003140
Cohort
n=166,964
NR; ≥ 66

Canada
15%Hospitalization for acute MI
NSAID user vs. nonuser control: RR (95% CI)
Celecoxib: 0.9 (0.7 to 1.2)
Naproxen: 1.0 (0.7 to 1.7)
Nonnaproxen nonselective NSAIDs: 1.2 (0.9 to 1.4)
Rahme, 2002141
Case-control
Cases=4163
NR (older than 65 years)

Canada
NRHospitalization for acute MI
Exposure to naproxen vs. exposure to other NSAIDs: OR 0.79 (95% CI 0.63 to 0.99)
Rahme, 2007130
Retrospective cohort
N=283,799
NR (>65 years)

Canada
24%Acute myocardial infarction hospitalization
Celecoxib vs. diclofenac/ibuprofen: 0.90 (0.76 to 1.1)
Rahme, 2007108
Retrospective cohort
N=510,871
NR; ≥ 65

Canada
22%Acute myocardial infarction
NSAID use vs. acetaminophen use: HR (95% CI)
Celecoxib: 0.97 (0.86 to 1.1)
Ibuprofen: 1.0 (0.68 to 1.6)
Diclofenac: 1.2 (0.96 to 1.4)
Naproxen: 1.2 (0.89 to 1.5)
Ray 2002147
Cohort
n=378,776
61.5

USA
NRSerious CHD (hospital admission for acute MI or death from CHD)
Current NSAID use vs. nonuse of NSAIDs: RR (95% CI)
Celecoxib: 0.96 (0.76 to 1.2)
Naproxen: 0.93 (0.82 to 1.1)
Ibuprofen: 0.91 (0.78 to 1.1)

New NSAID use vs. nonuse of NSAIDs: RR (95% CI)
Celecoxib: 0.88 (0.67 to 1.2)
Naproxen: 0.92 (0.73 to 1.2)
Ibuprofen: 1.0 (0.77 to 1.3)
Schlienger, 2002143
Nested case- control
Cases=3,319
NR

UK (GPRD)
NRFirst acute MI
NSAID use vs. nonuse of NSAIDs: OR (95% CI)
Ibuprofen: 1.2 (0.87 to 1.6)
Diclofenac: 1.4 (1.1 to 1.8)
Piroxicam: 1.6 (0.78 to 3.5)
Fenbufen: 2.1 (0.80 to 5.3)
Ketoprofen: 1.4 (0.77 to 2.5)
Indomethacin: 1.0 (0.58 to 1.8)
Flurbiprofen: 2.3 (0.93 to 5.5)
Naproxen: 0.68 (0.42 to 1.1)
Solomon, 2002144
Case to control
Cases=4,425
NR

USA
NRHospitalization for MI
NSAID use vs. nonuse of NSAIDs: RR (95% CI)
Naproxen: 0.84 (0.72 to 0.98)
Ibuprofen: 1.0 (0.88 to 1.2)

NSAID use vs. ibuprofen use: RR (95% CI)
Naproxen: 0.82 (0.67 to 1.0)
Solomon 2004145
Case-control
Cases=10,895
NR; > 80

USA
NRAcute MI
Celecoxib use vs. no celecoxib use: OR 0.93 (95% CI 0.84 to 1.0)
Celecoxib use vs. naproxen use: OR 0.95 (95% CI 0.74 to 1.2)
Celecoxib use vs. ibuprofen use: OR 0.98 (95% CI 0.76 to 1.3)
Celecoxib use vs. other NSAID use: OR 0.95 (95% CI 0.82 to 1.1)
Solomon, 2008131
Cohort
n=175,654
80 years

USA
NRMI, stroke, CHF, and out-of-hospital death attributable to cardiovascular disease
NSAID use vs. nonuse of NSAIDs: HR (95% CI)
Celecoxib: 0.89 (0.83 to 0.94)
Diclofenac: 1.2 (1.1 to 1.3)
Ibuprofen: 0.96 (0.83 to 1.1)
Naproxen: 0.79 (0.67 to 0.93)
Other nonselective NSAIDs: 0.87 (0.79 to 0.96)
Velentgas 2006146
Cohort
n=424,584
NR (40–64 years)

USA
NRAcute coronary syndrome or MI
Current NSAID use vs. current ibuprofen use: RR (95% CI)
Celecoxib: 1.0 (0.83 to 1.3)
Naproxen: 1.1 (0.93 to 1.4)

CHD = coronary heart disease; CHF = congestive heart failure; HR = hazard ratio; MI = myocardial infarction; NR = not reported; NSAID = nonsteroidal anti-inflammatory drug; OR = odds ratio; RR = relative risk; UK GPRD = United Kingdom General Practice Research Database

From: Results

Cover of Analgesics for Osteoarthritis
Analgesics for Osteoarthritis: An Update of the 2006 Comparative Effectiveness Review [Internet].
Comparative Effectiveness Reviews, No. 38.
Chou R, McDonagh MS, Nakamoto E, et al.

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