Fig 1.
The Silverman and Andersen index.
Reproduced with permission from Public Domain Courtesy of Hathi Trust https://catalog.hathitrust.org/Record/002069837, Dunham EC, Silverman WA. Dunham’s Premature infants, 1961.
Fig 2.
The process over the study period.
*Silverman and Andersen index. **Newborn Intensive Care Unit. ***High Flow Nasal Cannula. ****Continuous Positive Airway Pressure. *****Neurally Adjusted Ventilatory Assist. ******Internet Based Data Retrieval.
Table 1.
Number of observed and missing items.
Table 2.
Summary of infant characteristics, vital signs and type of respiratory support.
Table 3.
Different reliability measures of inter- and intra-rater scorings of the SA index.
Table 4.
Inter-rater scoring of each item of the SA index.