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Table 2 Comparison of primary and secondary outcomes reported at post-test, by group, Stop Stroke in AF study 2010–2012

From: Supporting anticoagulant treatment decision making to optimise stroke prevention in complex patients with atrial fibrillation: a cluster randomised trial

Variable

Expert Decisional Support n/N (%)

Academic Detailing alone n/N (%)

Effect Estimate

95% CI

p-value

Primary outcomea

Receiving anticoagulant therapy (N = 497)

130/249 (52.2)

118/248 (47.6)

RR = 1.11

0.86–1.43

0.42

Secondary outcomes

 Appropriate antithrombotic treatment (N = 443) b

136/223 (61.0)

134/220 (60.9)

RR = 1.00

0.85–1.19

0.97

 Appropriate antithrombotic incorporating quality control criteria (N = 443) b

91/223 (40.8)

99/220 (45.0)

RR = 0.91

0.73–1.14

0.43

 Decisional Conflict (N = 497)

Mean = 16

95% CI = 15.3–16.7

Mean = 16.6

95% CI = 16.0–17.2

β = −0.50

−1.79-0.77

0.44

  1. Academic Detailing = Referent group
  2. aIntraclass correlation coefficient for the primary outcome was 0.35
  3. bOutcome was assessed only for patients aged 65 years or older as specified in protocol