Table 2. Inclusion and exclusion criteria.

Inclusion criteria	Exclusion criteria
For both reviews
Moderate or severe wasting or edema and dehydration, by current or previous WHO definitions	No raw numbers or effect estimates reported
Written in English, French, and Spanish	Written in other languages
Published any time
For the diagnosis of dehydration review only
Age 0–5 years	Studies do not include report findings among individuals in this age range
Studies that compare any clinical symptom/sign/test to named reference standard for dehydration	Does not use a relevant reference standard for dehydration.
Includes a dehydration reference standard of at least one of: reported difference in pre-post rehydration weight, electrolyte imbalance, renal function test, metabolic acidosis, or an established criterion	Study included fewer than 5 children meeting with diarrhea and wasting
Reported raw numbers, proportions, and/or sensitivity, specificity, positive predictive value comparing signs/symptoms/test to dehydration reference standard
For the management of dehydration review only
Age 6-months to 10 years	Studies do not include report findings among individuals in this age range
Reported proportions, OR, RR, or HR	Contains only data relevant to intravenous rehydration (e.g., shock), or cholera/profuse watery diarrhea. Or, it is impossible to disaggregate these data from the desired data.
Comparison of ReSoMal and WHO low-osmolarity ORS	Used neither of the solutions or only of the solutions without comparison to another product.
Reported mortality and/or adverse outcomes (including electrolyte disturbances)	Reported other outcomes excluding mortality or adverse outcomes (including electrolyte disturbances)

*Papers that were done in a different population or reported a different outcome but have relevance to the study findings were archived and included in the formal discussion.