Table 1.
Rating details using the PRECIS criteria and the IOM characteristics.
Figure 1.
Study selection.
Table 2.
Trials on non specific low back pain with a conventional treatment comparator and>30 patients in the acupuncture group.
Figure 2.
PRECIS scoring for the 10 included trials comparing different methodological aspects (second rating after consensus procedure), a larger rounder figure would correlate with a higher score on PRECIS representing more the effectiveness side.