Qualitative changes in clinical records after implementation of pharmacist-led antimicrobial stewardship program: a text mining analysis

Table 1 Basic characteristics of the study data

	Pre-ASP	Post-ASP
Ward pharmacist staffing
Number of ward pharmacists at period start	11	13
Annual average number of ward pharmacists	12.8 ± 2.4	14.5 ± 1.3
New pharmacists during the period	9	8
Departing pharmacists during the period	7	6
Average years of clinical experience	7.3 ± 7.8	7.4 ± 5.7
Documentation characteristics
Total clinical records	43,374	65,982
Records containing “antimicrobial”	1,353 (3.12%)	5,155 (7.81%)
Average characters per record	267.1 ± 116.9	353.1 ± 209.3
Average raw terms per record ^a	149.1 ± 67.2	197.1 ± 120.5
Average analyzed terms per record ^b	55.5 ± 24.0	65.6 ± 37.7

Values are presented as mean ± standard deviation where applicable
^a Raw terms indicate terms extracted after morphological analysis before filtering
^b Analyzed terms indicate terms used for final analysis after morphological analysis, part-of-speech filtering, and standardization
Abbreviations: ASP, antimicrobial stewardship program

ISSN: 2055-0294