During their retreats in World War II Japanese soldiers estimated survival of their comrades based on clinical observations. These may apply to patients who share similar underlying conditions.
(1) severe malnutrition
(2) strenuous physical demands
(3) concurrent tropical diseases, especially malaria
Estimate of Survival
able to stand up
able to sit up
unable to blink eyes
< 24 hours
According to Richard Frank, the original source was Second Lieutenant Yasuo Ko’o of the 124
unable to stand but can sit up
unable to sit up
have to urinate lying down
have stopped speaking
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Purpose: To estimate the survival of a soldier (or patient) under serious conditions.
Objective: severity, prognosis, stage