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PI = povidone-iodine, MUP = mupirocin, SAL = saline.
Dotted line indicates LK endoscopic score change of 0, below which is considered an improvement.
Missing outcome data due to difficulty coordinating clinic logistics for data collection: pre-treatment Lund-Kennedy endoscopic score in PI (n=1), MUP (n=1), and SAL (n=1) groups.
