Fig. 1
From: Observational study of the effects of upper respiratory tract infection on hydration status
Shifts in (a) subject ratings of thirsta and (b) physician ratings of hydrationb from visit 1 (with URTI) to visit 2 (after recovery) (N = 48). aSubject ratings of thirst were based on a visual analog scale ranging from 0 = no thirst at all to 100 = worst thirst ever experienced. bPhysicians rated hydration on a scale of 0 = no evidence of dehydration, 1 = some dehydration, 2 = moderate dehydration, and 3 = severe dehydration. URTI, upper respiratory tract infection