J Clin Med 2024 Sep 24; 13 (19):5668

Figure 4.

Article selection diagram.

Abbreviations:
CINAHL = Cumulative Index to Nursing and Allied Health Literature,
SMT = spinal manipulative therapy

Please note that a large number of studies were excluded at the title/abstract phase due to our broad search strategy. Many articles mentioned clinical practice guidelines but did not constitute guidelines themselves (e.g., protocols, randomized trials, guideline adherence studies). Full-text exclusions with specific reasons are detailed in
Supplemental File S2