Table 1.

Main information categories covered in the database and acquisition forms used by specifically trained medical officers to acquire data from the patient and hospital records.

Main category	Subcategory	Questions
Details about the snakebite
	Basic	Date & time of bite
		Geographic location (township)
	Circumstances of bite	Age range
		Activity when bitten
		Was snake seen
		Was snake kept
		Snake ID & method
		Part of body bitten
		How many times bitten
		Point of first contact for care
		First aid & who applied
	Timing	Date & time of arrival at first health care facility
		Date & time of arrival at last health care facility
		Was patient transferred to a renal unit or ICU
Relevant past medical history
		Past medical history
		Allergies
		Medications
Medical assessment on arrival at last health care facility
		General symptoms
		Local bite effects
		Extent of local swelling
		Evidence of capillary leak
		Evidence of neurotoxic paralysis
		Evidence of coagulopathy
		Details of coagulation testing including type of test(s), when first abnormal and when first resolved
Medical management of case
	Antivenom use	Was antivenom given and when was first dose given
		Was first dose optimal (defined)
		Total amount of antivenom given, by antivenom type
		Adverse reactions to antivenom
	Acute kidney injury	Was dialysis given and type used
	Respiratory problems	Was intubation or ventilation used and when commenced and ceased
		Outcome of intubation and ventilation
		Was non-invasive ventilation used and indications and outcome
Summary information
	Summary of treatments used	Value list of available treatments
	Complications ascribed to bite	Value list of relevant complications
	Final outcome	Type of outcome
		Date and time
Serial clinical and laboratory data
		Date and time for each record
	Events or tests recorded	20WBCT, INR, aPTT, FDP/D-dimer, creatinine, platelet count, haemoglobin, antivenom use, other comments/events/interventions