Table 1 Search strategies in each database for retrieving the most appropriate research works

PubMed

Search strategy 1- ((((“electronic health records”) AND (healthcare quality)) AND (save)) AND (improve)) AND (patients); Search strategy 2- (((electronic health record) AND ((medical OR healthcare) AND decision) AND (missing data)) NOT (impact)) NOT (systematic review); Search strategy 3-((((“electronic health records missing data imputation”) NOT (systematic review)) NOT (meta-analysis)) NOT (review))

Scopus

Search strategy 1- TITLE-ABS-KEY (“electronic health records” AND ((healthcare OR medical) AND (choice OR process OR decision OR order)) AND ((lost OR missing) AND data)); Search strategy 2- TITLE-ABS-KEY (“electronic medical records” AND ((healthcare OR medical) AND (choice OR process OR decision OR order)) AND ((lost OR missing) AND data) AND NOT (impact OR drawback)) AND (LIMIT-TO (SUBJAREA, “MEDI”)); Search strategy 3- TITLE-ABS-KEY (“electronic health records” AND “missing data” AND (imputation OR generation) AND NOT (systematic AND review OR review)); Search strategy 4- electronic health record AND healthcare quality AND save cost time AND health system AND improve AND NOT systematic review AND NOT meta-analysis

Google Scholar

Search strategy 1- (“benefits” OR “advantage”)(“electronic health records”)(“healthcare quality”)(“medical decision” OR “medical choice””) (“missing data”); Search strategy 2- EHRs missing data medical decision quality advantage OR benefits “electronic health records” “missing data” -impact -affect –“systematic review”; Search strategy 3- electronic health records missing data imputation “electronic health records” -impact -drawback –“systematic review” -review –“meta analysis”