Staff group | n | Mean effective dose per procedure ± SD (μSv) | Range (μSv) | Estimated no. of procedures per individual per year* (ICRP [20-mSv annual limit]) | Estimated no. of procedures per individual per year* (USNRC [50-mSv annual limit]) |
Surgeon | 46 | 34 ± 15 | 8–74 | 270 | 676 |
Anesthetist | 22 | 11 ± 5 | 0–18 | 1,111 | 2,778 |
Nuclear medicine technologist | 22 | 9 ± 4 | 1–15 | 1,333 | 3,333 |
Anesthetist assistant | 22 | 6 ± 3 | 0–11 | 1,818 | 4,545 |
Trial cocoordinator | 21 | 5 ± 2 | 1–10 | 2,000 | 5,000 |
Recovery nurse | 43 | 4 ± 3 | 0–14 | 1,429 | 3,571 |
Scrub nurse | 22 | 2 ± 1 | 0–5 | 4,000 | 10,000 |
Periphery nurse | 23 | 1 ± 1 | 0–4 | 5,000 | 12,500 |
Research fellow | 36 | 1 ± 2 | 0–13 | 1,538 | 3,846 |
Ward nurse | 15 | 0 | 0–1 | 20,000 | 50,000 |
Tissue biobank practitioner | 14 | 0 | 0–1 | 20,000 | 50,000 |
↵* Based on maximum effective dose per procedure per staff group.
ICRP = International Commission on Radiological Protection; USNRC = U.S. Nuclear Regulatory Commission.