Prediction of Length of Hospital Stay of COVID-19 Patients Using Gradient Boosting Decision Tree

Table 2

Lists of the other attributes and their different values.

Attributes	Type of values
Pregnancy	Yes-No
Discharge	Outpatient
	Hospitalization
Age	<18
	18–55
	56–64
	65–69
	70–79
	≥80
Gender	Female-male
COVID-19 result	Negative
	Positive
	Positive again
	Need for re-sampling
Length of hospital stay	<1 day
	1–3 days
	4–5 days
	6–8 days
	9–10 days
	>10 day