Skip to main content

Table 7 The risk ratio of having the opinion that spinal manipulative therapy is safe or harmful, respectively, if a ‘yes’ was obtained in the individual AMSTAR items (118 reviews)

From: The risk associated with spinal manipulation: an overview of reviews

  Risk ratio (RR)
RR (95% CI) for communicating that SMT is safe P values RR (95% CI) for communicating that SMT is harmful P values
AMSTAR #1 1.4 (1.0 to 2.1) 0.109 Not estimableb
AMSTAR #2 1.4 (1.0 to 2.1) 0.091 0.2 (0.1 to 1.0) 0.025
AMSTAR #3 1.0 (0.6 to 1.6) 0.964 1.8 (0.4 to 7.6) 0.386
AMSTAR #4 1.2 (0.8 to 1.8) 0.436 0.4 (0.1 to 1.7) 0.178
AMSTAR #5 1.8 (1.2 to 2.5) 0.005 0.2 (0.0 to 1.2) 0.038
AMSTAR #6 1.5 (0.7 to 3.6) 0.252 1.7 (0.2 to 12.1) 0.566
AMSTAR #7 3.2 (1.4 to 7.2) <0.001 0.1 (0.0 to 0.2) <0.001
AMSTAR #8 1.8 (1.1 to 3.0) 0.014 0.1 (0.0 to 0.3) <0.001
AMSTAR #9 2.2 (0.8 to 5.8) 0.152 0.5 (0.1 to 3.9) 0.528
AMSTAR #10 2.0 (1.6 to 2.4) 0.331 Not estimablea
AMSTAR #11 1.6 (1.0 to 2.5) 0.109 Not estimableb
  1. For descriptions of each AMSTAR item, see footnote for Table 4
  2. AMSTAR A Measurement Tool to Assess Systematic Reviews, CI confidence interval, RR risk ratio, SMT spinal manipulative therapy
  3. aNo SRs had a ‘yes’ for this item
  4. bNo SRs had a ‘yes’ for this item and communicated ‘safe’