Supplementary Table 5.

The Number of Patients With Any Adenoma, Advanced Adenoma, CRC, or Advanced Neoplasia (Advanced Adenoma or CRC) Detected by Colonoscopy in 2019 and 2020, and the Percentage Change in 2020 Compared With 2019

	Adenoma			Advanced adenoma			CRC			Advanced neoplasia
	2019 (n)	2020 (n)	Change (%)	2019 (n)	2020 (n)	Change (%)	2019 (n)	2020 (n)	Change (%)	2019 (n)	2020 (n)	Change (%)
January	3912	4493	14.9	661	595	−10.0	95	109	14.7	733	669	−8.7
February	3778	4293	13.6	592	614	3.7	80	97	21.3	650	683	5.1
March	4461	3082	−30.9	768	470	−38.8	103	116	12.6	838	558	−33.4
April	4603	964	−79.1	751	209	−72.2	98	55	−43.9	817	251	−69.3
May	4776	1403	−70.6	734	254	−65.4	108	63	−41.7	812	306	−62.3
June	4366	2403	−45.0	702	389	−44.6	109	67	−38.5	780	443	−43.2
July	4662	2982	−36.0	749	502	−33.0	118	91	−22.9	833	568	−31.8
August	4682	3142	−32.9	734	492	−33.0	103	91	−11.7	807	561	−30.5
September	4118	3880	−5.8	624	659	5.6	108	102	−5.6	698	735	5.3
October	4663	4264	−8.6	707	596	−15.7	112	114	1.8	785	690	−12.1
November	3961	3682	−7.0	587	600	2.2	96	114	18.8	662	683	3.2
December	3864	3680	−4.8	645	642	−0.5	95	99	4.2	721	713	−1.1
Total	51,846	38,268	−26.2	8254	6022	−27.0	1225	1118	−8.7	9136	6860	−24.9
Mean	4321	3189		688	502		102	93		761	572
SD	355	1074		61	143		10	20		63	154