Table 1

 Categorical definitions of the features assessed by the clinicians

FeatureValues
Capillary refill time (seconds)1, 2 ,3, 4 or more
Temperature gradientYes, no
Pulse volumeWeak (or absent), normal, strong/bounding
Decreased skin turgorYes, no
Sunken eyesYes, no
Dry mucous membranesYes, no