PURPOSE: Most anticancer drugs are dosed based on body-surface area (BSA) to reduce interindividual variability of drug effects. ... PATIENTS AND METHODS: Data were obtained from 268 adult patients ...

Body surface area affected by psoriasis and the risk for psoriatic arthritis: A prospective population-based cohort study. https://pubmed.ncbi.nlm.nih.gov/34508558/ Understanding psoriatic disease.

As body surface area went up, the odds for nintedanib dose reduction/discontinuation went down. Researchers found lower 1-year survival rates with a body surface area of 1.73 m 2 or less vs. more ...

For example, the front side of one arm or your head is 4.5% of your total body surface area. The front and back of your torso are 18% each. These percentages are accurate for people over age 14.