ULDCT | SDCT | P | LDCT | SDCT | P | ULDCT | LDCT | P | |
---|---|---|---|---|---|---|---|---|---|
S (HU) | 32.94 ± 4.16 | 29.59 ± 4.97 | .007 | 31.67 ± 4.27 | 29.59 ± 4.97 | .359 | 32.94 ± 4.16 | 31.67 ± 4.27 | .320 |
IN (HU) | 5.05 ± 0.92 | 4.40 ± 0.89 | .001 | 3.81 ± 0.40 | 4.40 ± 0.89 | .154 | 5.05 ± 0.92 | 3.81 ± 0.40 | .003 |
SNR | 6.71 ± 1.38 | 6.91 ± 1.45 | .251 | 8.35 ± 1.2 | 6.91 ± 1.45 | .164 | 6.71 ± 1.38 | 8.35 ± 1.2 | .001 |
Note:—S indicates signal; IN, image noise.
↵a Data are presented as mean and SD.