Egyptian Journal of Radiology and Nuclear Medicine

Table 4 Comparison of image noise (SD) 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

	Image noise(SD)		Student t-test	p value
	120 KVP	80 KVP	Student t-test	p value
Mean ± SD	7.90 ± 3.23	15.15 ± 6.56	2.62	0.022*
Min–Max	5.09–14.61	9.89–28.21	2.62	0.022*

*means p < 0.05

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