Systematic Review: Comparative Effectiveness and Safety of Oral Medications for Type 2 Diabetes Mellitus

Figure 1. *Numbers add up to more than the number of abstracts or articles excluded because there may have been more than 1 reason for exclusion. †More than two thirds of the articles that were excluded for having fewer than 40 participants would have been excluded for other reasons as well. ‡The numbers of articles for intermediate outcomes, adverse events, microvascular and macrovascular outcomes, and mortality are not mutually exclusive.
Figure 1. *Numbers add up to more than the number of abstracts or articles excluded because there may have been more than 1 reason for exclusion. †More than two thirds of the articles that were excluded for having fewer than 40 participants would have been excluded for other reasons as well. ‡The numbers of articles for intermediate outcomes, adverse events, microvascular and macrovascular outcomes, and mortality are not mutually exclusive. Study flow diagram.

This Article

  1. Published Ahead of Print July 16, 2007, Ann Intern Med September 18, 2007 vol. 147 no. 6 386-399
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