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Reasons for excluding articles from the systematic review.
| # of Articles Excluded | Reason |
|---|---|
| 28 | Wrong study design |
| 17 | Does not evaluate socioeconomic and/or race-based outcomes relating to LCS |
| 13 | Wrong outcomes |
| 12 | Wrong patient population |
| 5 | Gray literature (editorials, news, letter to the editor) |
| 1 | Study not conducted in the US |
| 1 | Wrong setting |
