PSA 倍增时间
PSA₁, PSA₂, days between. PSADT = ln(2)×days / ln(PSA₂/PSA₁) when PSA₂>PSA₁ (ng/mL).
计算器
说明
PSADT describes exponential PSA growth between two measurements.
局限
Assumes log-linear growth; not valid after treatment perturbation without specialist interpretation.
仅供教学参考，不能替代临床诊断或治疗决策。