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Table 7 Estimates of effective dose in the study centres for the different age groups

From: Estimation of lifetime attributable risk incidence and mortality for breast cancer attributed to computed tomography of the head in the Niger Delta Region of Nigeria

  Mean effective dose mSv
Age at exposure (years) Centre G1 Centre G2
20–29 6.82 1.63
30–39 5.63 1.56
40–49 4.88 1.58
50–59 5.43 1.49
60–69 4.25 1.45
70–79 7.92 1.63
80–89 5.42 1.43
Overall 5.76 1.54