R 因子
ALT/ALP 与 ULN 比值（教学）。
计算
How it works
R factor differentiates liver injury patterns in teaching.
Limits
Does not replace full hepatic workup.
Educational tool only—not for diagnosis or treatment decisions.
ALT/ALP 与 ULN 比值（教学）。
R factor differentiates liver injury patterns in teaching.
Does not replace full hepatic workup.
Educational tool only—not for diagnosis or treatment decisions.