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. 2020 May 8;10:7759. doi: 10.1038/s41598-020-64805-8

Table 3.

The Adjusted ORs for the Age at First CT Exposure for Leukaemia, Intracranial Malignancy, and Lymphoma in One-year or Two-year Exclusion Period.

Variables Leukaemia Intracranial malignancy Lymphoma
n Adjusted OR* p value n Adjusted OR* p value n Adjusted OR* p value
One-year exclusion period
Age at first CT exposure
   ≤6-year-old 30 1 37 1 10 1
   >6-year-old 4 0.91(0.31–2.72) 0.868 8 1.22(0.53–2.84) 0.638 3 1.17(0.29–4.67) 0.826
Two-year exclusion period
Age at first CT exposure
   ≤6-year-old 20 1 24 1 6 1
   >6-year-old 1 0.40(0.05–3.13) 0.386 5 1.59(0.55–4.60) 0.391 1 0.73(0.08–6.53) 0.776

Abbreviations: OR = odds ratio; CT = computed tomography.

*The model was adjusted by year of birth, gender and urbanization level.