Validity and Reliability of Pain and Behavioral Scales for Preterm Infants: A Systematic Review.

Objective: To systematically review the instruments used to assess behavior, stress, and/or pain in preterm newborns in the neonatal intensive care unit (NICU) and verify the validity and reliability of these instruments.

Data Sources: Electronic searches were conducted in PubMed/MEDLINE, Cochrane Library, Web of Science, Scientific Electronic Library Online (SciELO), Latin American and Caribbean Literature on Health Sciences (LILACS), and EBSCOhost Research Platform. 12,295 records were found.