Table 4

Age categories of ≥ 50% of study participants

Category

Definition


Fetus

Fetus

Newborn

Birth to 1 month

Infant

> 1 month to < 24 months

Preschool

2 years to < 6 years

Child

6 years to < 13 years

Adolescent

13 years to < 19 years

Adult

19 years to < 45 years

Middle age

45 years to < 65 years

Aged

65 years to < 80 years

Aged 80

≥ 80 years

ND

Age of study participants was non-discernible


Wilczynski et al. BMC Medical Informatics and Decision Making 2005 5:20   doi:10.1186/1472-6947-5-20

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