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. Author manuscript; available in PMC: 2013 Apr 21.
Published in final edited form as: Stat Med. 2011 Feb 22;31(7):606–618. doi: 10.1002/sim.4034

Table 1.

Participants’ previous acupuncture experience (non-insertion sham control studies)

Acupuncture Experience Efficacy
Studies
Effectiveness
Studies
Unspecified
Study
Total
Acupuncture naïve 0 3 (27%) 1 (25%) 4 (15%)
No acupuncture in the
past 6 or 12 months
4 (36%) 3 (27%) 1 (25%) 8 (31%)
Not reported 7 (64%) 5 (46%) 2 (50%) 14 (54%)
Total 11 (100%) 11 (100%) 4 (100%) 26 (100%)