Observational Study
Copyright ©The Author(s) 2020.
World J Gastrointest Surg. Mar 27, 2020; 12(3): 93-103
Published online Mar 27, 2020. doi: 10.4240/wjgs.v12.i3.93
Table 1 Overall answers of staff and residents during with-fluorescence cholangiography and without-fluorescence cholangiography phases
Without FC
With FC
n = 360StaffResidentsP valuen = 480StaffResidentsP value
False65 (18.0)16 (11.8)49 (21.7)0.018112 (23.3)42 (23.3)70 (23.3)0.999
True295 (81.9)119 (88.1)176 (78.2)368 (76.6)138 (76.6)230 (76.6)
Total360 (100)135 (100)225 (100)480 (100)180 (100)300 (100)
Table 2 Subgroup analysis of the effect of fluorescence cholangiography on overall answers from the resident group
Identifiedn (%)Resident group, n = 525
Without-FCWith-FCP value
False119 (22.67)49 (21.78)70 (23.33)0.674
True406 (77.33)176 (78.22)230 (76.67)
Total525 (100)225 (100)300 (100)
Table 3 Effect of fluorescence cholangiography on match-paired and non-match-paired structures
IdentifiedMatch-paired


Non-match-paired
Without FCWith FCP valueWithout FCWith FCP value
False60 (17.86)35 (10.42)< 0.0165 (18.06)112 (23.33)0.063
True276 (82.14)301 (89.58)295 (81.94)368 (76.67)
Total336 (100)336 (100)360 (100)480 (100)
Table 4 Accuracy of match-pairing analysis, comparing between with- and without-fluorescence cholangiography phases in each participant group
IdentifiedStaff, n = 126


Resident, n (%) n = 210
Without FCWith FCP valueWithout FCWith FCP value
False14 (11.11)12 (9.52)< 0.0146 (21.90)23 (10.95)< 0.01
True112 (88.89)114 (90.48)164 (78.10)187 (89.05)
Total126 (100)126 (100)210 (100)210 (100)
Table 5 Subgroup analysis of the resident group, before and after dissection of Calot’s triangle
Resident group
IdentifiedBefore dissection (n = 45)


After dissection (n = 165)


Without FCWith FCP valueWithout FCWith FCP value
False25 (55.56)10 (22.22)< 0.00121 (12.73)13 (7.88)0.045
True20 (44.44)35 (77.78)144 (87.27)152 (92.12)
Total45 (100)45 (100)165 (100)165 (100)
Table 6 Accuracy of match-pairing analysis, comparing between staff and residents, in with-fluorescence cholangiography and without-fluorescence cholangiography phases
IdentifiedWithout FC, n (%), n = 336


With FC, n (%), n = 336
StaffResidentsP valueStaffResidentsP value
False14 (11.11)46 (21.90)0.01212 (9.52)23 (10.95)0.678
True112 (88.89)164 (78.10)114 (90.48)187 (89.05)
Total126 (100)210 (100)126 (100)210 (100)