Table 4.

PSNR between low dose testing images and full activity images (Mean ± SD)

Group	Input	Model All	Model1	Model2	Model3	Model4	Model5
1	56.09±8.49	53.55±6.67	55.18±6.98	54.53±6.52	54.33±6.73	53.38±6.89	53.35±7.30
2	53.20±7.62 P=0.482	52.40±6.03	53.25±6.47	52.90±6.09	52.82±6.21	52.27±6.16	52.34±6.34
3	51.57±6.15	52.30±5.43	52.44±5.75	52.43±5.59	52.36±5.59	52.23±5.51	52.37±5.48
4	49.40±5.53	50.58±4.87	50.42±5.12 P=0.769	50.51±4.95 P=0.241	50.49±5.00 P=0.818	50.55±4.91	50.79±4.96
5	48.75±7.28	50.17±6.32	49.77±6.76	49.90±6.50	49.91±6.54	50.20±6.35	50.63±6.30