Table 4: First gastroenterologist mean radiation doses ( Gy) for groups A and B per ERCP procedure. The range is in parenthesis.

First gastroenterologistGroup Radiation dose ( Gy)

ChestAll1536.4 (0.2–35.1)
A1116.1 (0.2–37.8)
B426.7 (1.1–30.1)
ThyroidAll1535.40 (0.02–27.6)
A1115.40 (0.2–27.6)
B425.52 (1.03–26.1)
Eye lens All1533.81 (0.2–26.3)
A1113.51 (0.2–26.3)
B424.45 (0.7–21.0)
HandAll15327.2 (1.02–223.2)
A11127.3 (1.02–223.2)
B4226.9 (2.9–171.5)
Back shoulderAll8538.7 (0.70–282.3)
A6160.1 (0.70-282.3)
B3639.3 (1.25–191.2)
WaistAll85100.5 (13.6–381.3)
A61101.2 (13.6–381.3)
B3699.5 (14.7–291.0)
LegAll541.60 (0.2–17.1)
A301.50 (0.2–15.9)
B 242.00 (0.2–17.1)

: sample size.