The journal einstein (São Paulo) – e-ISSN 2317-6385 is dedicated to dissemination of high-quality scientific content that advances our understanding of human disease with the goal of improving prevention, care, diagnostics and treatment of patients globally.
JoaquimAF. Spine surgery cost reduction at a specialized treatment center. Einstein (São Paulo) 2013;11(2):265. https://doi.org/10.1590/S1679-45082013000200024
Joaquim,Andrei Fernandes. Spine surgery cost reduction at a specialized treatment center. Einstein (São Paulo), v. 11, n. 2, p. 265-265, Jul. 2013. https://doi.org/10.1590/S1679-45082013000200024
Joaquim,A.F. (2013). Spine surgery cost reduction at a specialized treatment center. Einstein (São Paulo),11(2), 265-265. https://doi.org/10.1590/S1679-45082013000200024
Joaquim,Andrei Fernandes. Spine surgery cost reduction at a specialized treatment center. Einstein (São Paulo) [online]. 2013, vol. 11, n. 2, [cited 2025-09-06], pp.265-265. Available from: <https://journal.einstein.br/article/letter-to-the-editor-spine-surgery-cost-reduction-at-a-specialized-treatment-center-einstein-sa%cc%83o-paulo-2013-111102-7/>. ISSN 1679-4508. https://doi.org/10.1590/S1679-45082013000200024
Figure 5
Risk of bias assessment of non-RCTs using the ROBINS-I tool
Non-RCT, nonrandomized controlled trial; ROBINS-I, Risk of Bias in Non-Randomized Studies-of Interventions
