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. 2021 Aug 6;100(31):e26692. doi: 10.1097/MD.0000000000026692

Table 3.

The compassion of radiation dose exposure parameters between the first-visited and designated hospitals.

	First-visited hospital	Designated hospital	P value
CT scanning times	N = 224	N = 1895
CTDI_VOL, mGy	8.91 (7.31–10.81)	9.78 (8.47–11.02)	.067^a
DLP, mGy cm	276.70 (240.98–335.37)	326.49 (298.92–369.68)	<.001^a
ED (K = 0.014), mSv	3.87 (3.37–4.70)	4.57 (4.18–5.18)	.008^a