Supplementary Table 1.

Indications for Colonoscopy by Age Group in 2019 and 2020

	2019 n (%)	2020 n (%)
Age 18 to 44 years
Screening	1279 (11.5)	1036 (10.7)
Surveillance	338 (3.0)	275 (2.8)
FIT positive	17 (0.2)	10 (0.1)
Diagnostic	9208 (82.9)	8115 (83.9)
Unknown	264 (2.4)	241 (2.5)
Total	11,106 (100)	9,677 (100)
Age 45 to 75 years
Screening	16,102 (18.0)	9108 (14.3)
Surveillance	15,589 (17.4)	9519 (14.9)
FIT positive	14,532 (16.2)	11,623 (18.2)
Diagnostic	41,105 (45.9)	32,144 (50.5)
Unknown	2207 (2.5)	1315 (2.1)
Total	89,535 (100)	63,709 (100)
Age 76 to 89 years
Screening	724 (7.3)	449 (6.0)
Surveillance	2164 (21.7)	1362 (18.2)
FIT positive	137 (1.4)	115 (1.5)
Diagnostic	6878 (69.1)	5524 (73.9)
Unknown	50 (0.5)	27 (0.4)
Total	9953 (100)	7477 (100)