Presented in part at the 2018 Society of General Internal Medicine Annual Meeting, Denver, Colorado, 11–14 April 2018.
Note: Dr. Keyhani had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Grant Support: This project was not directly supported by any funds. Dr. Keyhani was supported by grant R01HL130484-01A1 from the National Heart, Lung, and Blood Institute. Dr. Korenstein's contribution to this project was supported in part by a Cancer Center Support Grant (P30 CA008748) to Memorial Sloan Kettering Cancer Center from the National Cancer Institute.
Disclosures: Authors have disclosed no conflicts of interest. Forms can be viewed at www.acponline.org/authors/icmje/ConflictOfInterestForms.do?msNum=M18-0522.
Editors' Disclosures: Christine Laine, MD, MPH, Editor in Chief, reports that her spouse has stock options/holdings with Targeted Diagnostics and Therapeutics. Darren B. Taichman, MD, PhD, Executive Editor, reports that he has no financial relationships or interests to disclose. Cynthia D. Mulrow, MD, MSc, Senior Deputy Editor, reports that she has no relationships or interests to disclose. Deborah Cotton, MD, MPH, Deputy Editor, reports that she has no financial relationships or interest to disclose. Jaya K. Rao, MD, MHS, Deputy Editor, reports that she has stock holdings/options in Eli Lilly and Pfizer. Sankey V. Williams, MD, Deputy Editor, reports that he has no financial relationships or interests to disclose. Catharine B. Stack, PhD, MS, Deputy Editor for Statistics, reports that she has stock holdings in Pfizer and Johnson & Johnson.
Reproducible Research Statement:Study protocol: Available at www.crd.york.ac.uk/PROSPERO/display_record.php?ID=CRD42017059224. Statistical code: Available from Ms. Vali (e-mail, firstname.lastname@example.org). Data set: See Supplement. Additional data are available from Dr. Ghasemiesfe (e-mail, email@example.com).
Corresponding Author: Mehrnaz Ghasemiesfe, MD, San Francisco VA Medical Center, 4150 Clement Street, San Francisco, CA 94121; e-mail, firstname.lastname@example.org.
Current Author Addresses: Drs. Ghasemiesfe, Arjomandi, Frank, and Keyhani and Ms. Vali: San Francisco VA Medical Center, 4150 Clement Street, San Francisco, CA 94121.
Dr. Ravi: The Wright Center for Graduate Medical Education, 111 North Washington Avenue, Scranton, PA 18503.
Dr. Korenstein: Memorial Sloan Kettering Cancer Center, 485 Lexington Avenue, 2nd Floor, New York, NY 10017.
Dr. Austin: University of Toronto Institute of Health Policy, Management and Evaluation, G1 06, 2075 Bayview Avenue, Toronto, Ontario M4N 3M5, Canada.
Author Contributions: Conception and design: M. Ghasemiesfe, D. Ravi, J. Frank, S. Keyhani.
Analysis and interpretation of the data: M. Ghasemiesfe, M. Vali, D. Korenstein, M. Arjomandi, J. Frank, S. Keyhani.
Drafting of the article: M. Ghasemiesfe, D. Ravi, M. Arjomandi, S. Keyhani.
Critical revision of the article for important intellectual content: M. Ghasemiesfe, D. Korenstein, M. Arjomandi, J. Frank, P.C. Austin, S. Keyhani.
Final approval of the article: M. Ghasemiesfe, D. Ravi, M. Vali, D. Korenstein, M. Arjomandi, J. Frank, P.C. Austin, S. Keyhani.
Provision of study materials or patients: S. Keyhani.
Statistical expertise: M. Vali, P.C. Austin.
Obtaining of funding: S. Keyhani.
Administrative, technical, or logistic support: M. Ghasemiesfe, S. Keyhani.
Collection and assembly of data: M. Ghasemiesfe, D. Ravi, D. Korenstein, S. Keyhani.
Source : http://annals.org/aim/fullarticle/2686986/marijuana-use-respiratory-symptoms-pulmonary-function-systematic-review-meta-analysis644