Therapeutic turnaround times for common laboratory tests in a tertiary hospital in Kenya

Thomas Mwogi, Tim Mercer, Dan N (Tina) Tran, Ronald Tonui, Thorkild Tylleskar and Martin C Were

PLOS ONE, 2020, vol. 15, issue 4, 1-14

Abstract: Methods: We evaluated therapeutic TAT for a tertiary hospital in Western Kenya, using a time-motion study focusing specifically on common hematology and biochemistry orders. The aim was to determine significant bottlenecks in diagnostic testing processes at the institution. Results: A total of 356 (155 hematology and 201 biochemistry) laboratory tests were fully tracked from the time of ordering to availability of results to care providers. The total therapeutic TAT for all tests was 21.5 ± 0.249 hours (95% CI). The therapeutic TAT for hematology was 20.3 ± 0.331 hours (95% CI) while that for biochemistry tests was 22.2 ± 0.346 hours (95% CI). Printing, sorting and dispatch of the printed results emerged as the most significant bottlenecks, accounting for up to 8 hours of delay (Hematology—8.3 ± 1.29 hours (95% CI), Biochemistry—8.5 ± 1.18 hours (95% CI)). Time of test orders affected TAT, with orders made early in the morning and those in the afternoon experiencing the most delays in TAT. Conclusion: Significant inefficiencies exist at multiple steps in the turnaround times for routine laboratory tests at a large referral hospital within an LMIC setting. Multiple opportunities exist to improve TAT and streamline processes around diagnostic testing in this and other similar settings.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0230858

DOI: 10.1371/journal.pone.0230858

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