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Table 3 Presentation in abstracts concerning efficacy in double-blind, RCTs in Headache in 2009 and 2010

From: CONSORT recommendations in abstracts of randomised, controlled trials on migraine and headache

References

Numbers in each group (total number of patients)

% response or absolute values (AV)

p values

Effect size

95% CI for effect size

2010

 [19]

177/169

+

+

−

−

 [20]

688/696

AV

+

−

−

 [21]

99/96

+

+

−

−

 [22]

(52)

−

−

−

−

2009

 [23]

19/17

+

+

−

−

 [24]

(179)

AV

+

−

−

 [25]

153/153

+

+

−

−

 [26]

121 CO

+

+

+

+

 [27]

(283)

+

+

−

−

 [28]

(180)

AV

+

−

−

 [29]

(69)

+

+

−

−

 [30]

(323)

+

+

−

−

 [31]

(60)

+

+

−

−

  1. CO crossover