The risk/benefit ratio for warfarin treatment is good when patients are at high risk for stroke but narrowerwhen used in primary prevention in the elderly, where the benefit may be offset by bleeding risk, they write.
The risk/benefit ratio for warfarin treatment is good when patients are at high risk for stroke but narrowerwhen used in primary prevention in the elderly, where the benefit may be offset by bleeding risk, they write.
在有高风险中风的病人用华法林治疗的风险/获益率很好，但是在老年人预防性应用的风险/获益率有限，因为出血风险获益率偏移。