Table 1:

Partial example annotation for Participants, Interventions, and Outcomes. The full annotation includes multiple top-level spans for each PIO element as well as labels for repetition.

P Fourteen children (12 in 13 years of age fantile autism full syndrome present, 2 atypical pervasive developmental disorder) between 5 and 13 years of age
Text	Label	MeSH terms
- Fourteen	Sample size (full)
- children	Age (young)
- 12	Sample Size (partial)
- autism	Condition (disease)	Autistic Disorder, Child Development Disorders Pervasive
- 2	Sample Size (partial)
- 5 and 13	Age (young)
I 20 mg Org 2766 (synthetic analog of ACTH 4–9)/day during 4 weeks, or placebo in a randomly assigned sequence.
Text	Label	MeSH terms
- 20 mg Org 2766	Pharmacological	Adrenocorticotropic Hormone, Double-Blind Method, Child Development Disorders Pervasive
- placebo	Control	Double-Blind Method
O Drug effects and Aberrant Behavior Checklist ratings
Text	Label	MeSH terms
- Drug effects	Quality of Intervention
- Aberrant Behavior Checklist ratings	Mental (behavior)	Attention, Stereotyped Behavior