Conflicts of interest among clinical practice guidelines and their authors.

(*) % add to more than 100 because CPG authors can disclose more than one type of COI.(**) Examples of activities for the types of COI: Advising/consulting: serving on an advisory board and/or executive committee, or receiving consulting fees, honoraria, speaking fees, or providing expert testimony; Research: receiving research grants, salary support; Patents/royalties: receiving income from patents or royalties; Stocks/equity: owning stock or equity in a company; Gifts: receiving gifts, travel, samples, or educational materials; Intellectual: publishing on a topic, providing unpaid advocacy; Other: time devoted to specific procedures, spousal employment.Abbreviations: COI, conflict of interest; CPG, clinical practice guideline, SD; standard deviation.