GRADE系统将证据推荐强度分为几级

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• 影响GRADE证据推荐强度的因素有
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• A 55 year old male presented with painless terminal hematuria. Cystoscopic exam­ination revealed a solitary papillary tumor. A histopathological examination of completely resected tumor is suggestive of grade Ⅲ (high grade) transitional cell carcinoma with no muscle invasion. Further management of this patient is best done by