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Second gastroenterologist mean radiation doses (μGy) for groups A and B per ERCP procedure. The range is in parenthesis.
| Second gastroenterologist | Group | n | Mean |
|---|---|---|---|
| Chest | All | 153 | 5.7 (0.2–25.4) |
| A | 111 | 4.8 (0.2–23.1) | |
| B | 42 | 6.4 (1.1–25.4) | |
| Hand | All | 153 | 7.2 |
| A | 111 | 8.4 | |
| B | 42 | 4.3 |
