COVID-19 Hospital Laboratory Trends – Weekly Updates
Visiun’s Performance Insight analytics solution collects data across the entire span of activities in hundreds of clinical laboratories of all types and sizes. This uniquely positions Visiun to accumulate data from participating labs and document trends and patterns that are happening regionally and nationally. Based on the number of tests performed, Visiun documented a collective drop nationally in daily routine test volume that commenced in early March 2020 and continues through the present.
- The chart above shows the range of test volume changes across a broad cross section of hospital laboratories, since the beginning of 2020.
- The last half of March showed significant declines in testing reaching a low point the week ending April 11. Median reductions were 40% while the first decile dropped by 62%.
- Median volumes have since recovered significantly to 94% of baseline.
- The chart above shows the range of test volume changes by patient type, since the beginning of 2020.
- The last half of March showed significant declines in testing most pronounced in the outpatient segment, corresponding to the pause in elective surgeries and office visits.
- Volumes have since recovered significantly.
- The chart above shows the range of test volume changes across laboratory departments, since the beginning of 2020.
- Chemistry, Hematology and Microbiology track along the lines of the overall hospital trends. Molecular Biology shows the increase in COVID Antigen activity. This increase in molecular testing falls far short of filling the shortfall, as molecular testing typically accounts for only 1% of test volume. With the drop in overall test volume, molecular now represents about 4% of laboratory test volume.
- The chart above shows the change in percent positive COVID antigen tests since testing began in March 2020.
- Positive rates are declining rapidly. Scarce test availability early on was reserved for the highest risk patients. As testing becomes more widely available, the proportion of positives has significantly decreased.
- The chart above shows the relative change in proportion of COVID antigen tests by vendor since testing began in March 2020.
- These data are drawn from a significant sample of Visun clients, principally large IDNs.