argument #985
ERs get a fast, cheap prognostic signal from a routine lab draw — no scanner required — for early family conversations and ICU resource calls.
In severe traumatic brain injury, a cheap blood test predicts the outcome — patients with higher serum albumin on admission had significantly better outcomes, while age, gender, mode of injury, and diagnosis had no predictive power at all.
Why it matters
ERs get a fast, cheap prognostic signal from a routine lab draw — no scanner required — for early family conversations and ICU resource calls.
Use when: The best predictor is often the cheapest measurement — look for the simple variable before the expensive one.