Egyptian Journal of Radiology and Nuclear Medicine

Table 3 Comparison of CT number between 120 and 80 KVP

From: Studies on the radiation dose, image quality and low contrast detectability from MSCT abdomen by using low tube voltage

	CT number		Student t-test	p value
	120 KVP	80 KVP	Student t-test	p value
Mean ± SD	90.47 ± 0.62	64.97 ± 1.29	47.04	< 0.001*
Min–Max	89.64–91.45	63.14–66.50	47.04	< 0.001*

*means p < 0.05

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