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Economic Evaluation of Total Laboratory Automation in the Clinical Laboratory of a Tertiary Care Hospital

Authors
 KyungYi Kim  ;  Sang-Guk Lee  ;  Tae Hyun Kim  ;  Sang Gyu Lee 
Citation
 ANNALS OF LABORATORY MEDICINE, Vol.42(1) : 89-95, 2022-01 
Journal Title
ANNALS OF LABORATORY MEDICINE
ISSN
 2234-3806 
Issue Date
2022-01
Keywords
Cost-effectiveness ; Economic evaluation ; Laboratory performance ; Total laboratory automation ; Turnaround time
Abstract
Background: Total laboratory automation (TLA) is an innovation in laboratory technology; however, the high up-front costs restrict its widespread adoption. To examine whether the capital investment for TLA is worthwhile, we analyzed its clinical- and cost-effectiveness for the expected payback period.

Methods: Clinical chemistry tests and immunoassays performed in the clinical laboratory of a tertiary care hospital were divided into a post-TLA group, including 1,182,419 tests performed during December 2019, and a pre-TLA group, including 1,151,501 tests performed during December 2018. Laboratory information system data were used to measure clinical effectiveness, and depreciation data were used to calculate TLA costs.

Results: Laboratory performance improved after TLA adoption in all four key performance indicators: mean turn-around time (TAT), representing the timeliness of result reporting, decreased by 6.1%; the 99th percentile of TAT, representing the outlier rate, decreased by 13.3%; the TAT CV, representing predictability, decreased by 70.0%; and weighted tube touch moment (wTTM), representing staff safety, improved by 77.6%. Based on these effectiveness results, economic evaluation was performed using two approaches. First, the incremental cost-effectiveness ratio and wTTM were used as the most cost-effective performance indicators. Second, the expected payback period was calculated. Considering only staff cost reduction, it was anticipated that 4.75 yrs would be needed to payback the initial investment.

Conclusions: TLA can significantly enhance laboratory performance, has a relatively quick payback period, and can reduce total hospital expenses in the long term. Therefore, the capital investment for TLA adoption is considered to be worthwhile.
Files in This Item:
T202200212.pdf Download
DOI
10.3343/alm.2022.42.1.89
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Laboratory Medicine (진단검사의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Preventive Medicine (예방의학교실) > 1. Journal Papers
4. Graduate School of Public Health (보건대학원) > Graduate School of Public Health (보건대학원) > 1. Journal Papers
Yonsei Authors
Kim, Tae Hyun(김태현) ORCID logo https://orcid.org/0000-0003-1053-8958
Lee, Sang-Guk(이상국) ORCID logo https://orcid.org/0000-0003-3862-3660
Lee, Sang Gyu(이상규) ORCID logo https://orcid.org/0000-0003-4847-2421
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/187885
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