. Author manuscript; available in PMC: 2018 Dec 1.

Published in final edited form as: IEEE Trans Med Imaging. 2017 Jun 13;36(12):2524–2535. doi: 10.1109/TMI.2017.2715284

TABLE V.

Statistical Analysis of Subjective Quality Scores for Different Algorithms (Mean ± SDs).

	NDCT	LDCT	TV-POCS	K-SVD	BM3D	CNN10	KAIST-Net	RED-CNN
Artifact reduction	3.55±0.26	1.88±0.33^*	2.47±0.28^*	2.74±0.31^*	2.94±0.28^*	3.39±0.24	3.45±0.24	3.50±0.23
Noise suppression	3.67±0.28	2.04±0.31^*	2.59±0.32^*	2.90±0.35^*	3.11±0.29^*	3.55±0.28	3.57±0.35	3.64±0.21
Contrast retention	3.22±0.22	1.95±0.34^*	2.27±0.29^*	2.77±0.35^*	2.84±0.24^*	3.01±0.32	3.08±0.24	3.17±0.28
Lesion discrimination	3.24±0.23	1.75±0.29^*	2.24±0.30^*	2.67±0.32^*	2.70±0.33^*	3.15±0.24	3.12±0.28	3.21±0.28
Overall quality	3.39±0.24	1.91±0.32^*	2.33±0.34^*	2.64±0.29^*	2.72±0.29^*	2.99±0.28	3.08±0.26	3.25±0.21

indicates P < 0.05, which means significantly different.