透析前 BUN 90，透析后 BUN 27 → URR = 70.0000%（达标） URR = (90−27)/90 × 100 = 70.0000%。达到 KDOQI 目标剂量（≥70%）。{"result":"URR = 70% (Target met ≥70%). Method: URR = (Pre-BUN − Post-BUN)/Pre-BUN × 100.","metadata":{"input":{"preBun":90,"postBun":27},"result":{"urr":70,"unit":"%","status":"Target met (≥70%)","note":"Meets KDOQI target dose. Confirm with Kt/V for full adequacy.","method":"URR = (Pre-BUN − Post-BUN)/Pre-BUN × 100","model":"KDOQI Hemodialysis Adequacy Guideline. Minimum ≥65%, target ≥70%. Not medical advice."}}}
透析前 BUN 80，透析后 BUN 30 → URR = 62.5000%（低于最低） URR = (80−30)/80 × 100 = 62.5000%。低于 KDOQI 最低值 65%，需复核处方、血管通路与治疗时间。{"result":"URR = 62.5% (Below minimum <65%). Method: URR = (Pre-BUN − Post-BUN)/Pre-BUN × 100.","metadata":{"input":{"preBun":80,"postBun":30},"result":{"urr":62.5,"unit":"%","status":"Below minimum (<65%)","note":"Inadequate per KDOQI minimum (≥65%). Review prescription, access, and treatment time.","method":"URR = (Pre-BUN − Post-BUN)/Pre-BUN × 100","model":"KDOQI Hemodialysis Adequacy Guideline. Minimum ≥65%, target ≥70%. Not medical advice."}}}