Influence of Image Acquisition on Radiation Dose and Image Quality: Full versus Narrow Phase Window Acquisition Using 320 MDCT

Table 3

Summary of image quality for two groups undergoing imaging using complete versus narrow phase window acquisition at 320-row MDCTA.

Image Quality; (i) Excellent; (ii) Diagnostic; (iii) Nondiagnostic	Narrow phase window; (Group A); Segments (%)	Complete phase window; (Group B); Segments (%)
	Total Patients = 87; Total segments = 1244	Total patients = 27; Total segments = 359
Excellent	1058 (85%)	235 (65%)
Diagnostic	185 (14.87%)	119 (33.14%)
Nondiagnostic	1 (0.08%)	05 (1.39%)