Table 8.

Comparison of discrepancies with similar studies in literature

	Snead et al. 2016[1]	Mukhopadhyay et al. 2017[11]	Borowsky et al. 2020[28]	Current study
Overall major discrepancy among pathologists using glass slides (%)	0.4	4.6	3.2	--*
Overall major discrepancy between WSI and signed out report (GT) (%)	0.7	4.9	3.6	2.9
Major discrepancy between WSI and signed out report (GT) in GIT (%)	0.4	<1	3.3	3.1
Major discrepancy between WSI and signed out report (GT) in gynaecological pathology (%)	0.26	3.1	3.18	3.2
Major discrepancy between WSI and signed out report (GT) in dermatopathology (%)	0.7	4.9	4.74	2.8
Major discrepancy between WSI and signed out report (GT) in uropathology (%)	2.4	5	3	5

*3%: Average of existing discrepancy rate from Welsh external quality assurance scheme and Glan Clwyd Hospital intra departmental audit. WSI: Whole slide imaging, GIT: Gastrointestinal tract, GT: Ground truth