Retrospective Cohort Study
Copyright ©The Author(s) 2023.
World J Gastroenterol. Mar 7, 2023; 29(9): 1492-1508
Published online Mar 7, 2023. doi: 10.3748/wjg.v29.i9.1492
Table 3 Quality indicators and results of colonoscopies by period of performance of colonoscopy in people aged 50-74, residing in Ile-de-France, n (%)
Quality indicatorPeriod
gFOBT
FIT
STOP-FIT
COVID
P value1
Total number (n) of colonoscopies 286794608787679783
Existence of a GE consultation before colonoscopy
Nb (A) colonoscopies with date of consultation 5267 (18.4)1517 (3.3)406 (4.6)198 (2.0)< 10-3
Date of consultation ≠ Date of colonoscopy
Nb colonoscopies of which date of consultation ≠ colon date (% in A)298.4 (56.7)883 (58.2)402 (99.0)191 (96.5)< 10-3
Time to colonoscopy
Average (in mean ± SD)2.6 ± 2.93.0 ± 3.03.9 ± 3.93.5 ± 2.9< 10-3*
Number of colonoscopies performed within one month4957 (17.3)4572 (9.9)458 (5.2)726 (7.4)< 10-3
Number of colonoscopies performed beyond 7 mo 1520 (5.3)2949 (6.4)1034 (11.8)933 (9.5)< 10-3
Complete colonoscopy< 10-3
Nb colonoscopies without information on performance1263 (4.4)2360 (5.1)410 (4.7)432 (4.4)
Number of complete colonoscopies26530 (92.5)41695(90.5)8004 (91.3)8981 (91.8)
Nb (B) of incomplete colonoscopies886 (3.1)2032 (4.4)357 (4.1)376 (3.8)
Reasons for incomplete colonoscopies< 10-3
Unspecified: n (% in B)206 (23.3)617 (30.4)109 (30.5)114 (30.3)
Anatomical reason/Obstruction by lesion: n (% in B)537 (60.6)845 (41.6)150 (42.0)161 (42.8)
Insufficient preparation: n (% in B)143 (16.1)570 (28.1)98 (27.5)101 (26.9)
Redone incomplete colonoscopy
Number of redone colonoscopies (% B)183 (20.7)960 (47.2)158 (44.3)163 (43.3)< 10-3
Frequency of incidents0.14
No incidents reported: n 28873 (99.6)45947 (99.7)8740 (99.7)9763 (99.8)
Related to anaesthesia/general condition: n 18 (0.06)24 (0.05)3 (0.03)2 (0.02)
Related to endoscopy: n 88 (0.3)116 (0.3)22 (0.3)18 (0.2)
Frequency of accidents0.17
No accidents reported: n 28589 (99.7)45970 (99.8)8749 (99.8)9763 (99.8)
Suspected complication: n24 (0.08)23 (0.05)5 (0.04)3 (0.03)
Exterior bleeding: n57 (0.2)66 (0.1)14 (0.2)12 (0.1)
Perforation: n8 (0.03)28 (0.06)3 (0.03)4 (0.04)
Deaths: n1 (0.0)000
Colonoscopies results
Detection rate: Nb of lesions 14857 (51.8)29843 (64.8)5565 (63.5)5967 (60.1)< 10-3
Nb Polyps (% HRP)12947 (44.2)26624 (56.4)5040 (53.3)5425 (51.8)< 10-3
Nb of CRC (% CRC seen at colonoscopy)1910 (61.4)3219 (55.2)525 (57.3)542 (56.1)< 10-3
% CRC with severity stage specified among Nb CRC290.380.574.372.3< 10-3
Nb CRC with severity stage specified (% severe CRC) 21724 (50.7)2592 (40.9)390 (39.5)392 (39.5)< 10-3