Improvement of CT Target Scanning Quality for Pulmonary Nodules by PDCA Management Method

Table 2

Comparison of excellent rate before and after PDCA methods.

	Noise	Artifact	Contrast	Resolution
Without PDCA	73.16 ± 5.24	76.42 ± 4.32	76.16 ± 5.24	90.16 ± 5.24
With PDCA	93.16 ± 2.24	94.42 ± 2.32	92.16 ± 3.04	94.16 ± 2.24
t value	4.81	6.95	5.22	8.13
value	<0.05	<0.05	<0.05	<0.05