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. 2025 Nov 25;18:3147–3154. doi: 10.2147/CCID.S542746

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© 2025 Zhang et al.

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Percentage of PGA scores.

Notes: A score of 2 indicates 75–89% improvement, 3 indicates 50–74% improvement, 4 indicates 25–49% improvement, 5 indicates less than 25% improvement, and 6 is worse than before treatment.