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Table 1 Number of CT examinations during the survey period

From: The effect of abolishing instructions to fast prior to contrast-enhanced CT on the incidence of acute adverse reactions

Anatomical regions Before the policy change After the policy change
Number of CT examinations Enhanced CT examinations (%) Number of CT examinations Enhanced CT examinations (%)
Head/neck 22,667 4797 (21.2%) 7003 1793 (26.5%)
Chest 13,631 1418 (10.4%) 3534 355 (9.1%)
Abdomen 5040 1711 (33.9%) 1746 637 (36.5%)
Chest + abdomen 46,945 33,434 (71.2%) 16,096 11,202 (69.6%)
Others 5851 2507 (42.8%) 30,611 689 (36.7%)