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Table 5 Histology examinations in 2020 versus 2019 week 13 – week 16

From: Impact of COVID-19 pandemic on diagnostic pathology in the Netherlands

  1. *Ratio expressed as % of the numbers observed in 2020 and the numbers observed in 2019 with, in brackets, the confidence interval of this ratio, calculated using the standard error of a ratio of two independent Poisson distributed count variables. Red boxes show situations where the confidence interval of the ratio of measured and expected does not contain 100% and is considered statistically significantly different. Red and green numbers show a ratio of less than 85% or more than 115%, which might be clinically significant. For numbers of histology examinations per week, biopsies, resections, benign and malignant diagnoses, see supplementary table 2. Analogous tables for periods 2–5 are given in supplementary tables 36. na = not available (less than 20 specimens per week)