Table 3 Mean SI, SNR and CNR at the three b values on DW images (Mean ± SD)
From: Conspicuity of breast lesions at different b values on diffusion-weighted imaging
B value (s/mm2) | Mean SI | SNR | CNR | ||||
|---|---|---|---|---|---|---|---|
Malignant | Benign | Normal | Malignant | Benign | Malignant | Benign | |
600 | 853.2 ± 58.6 | 719.4 ± 34.4 | 254.2 ± 89.2 | 133.4 ± 20.4 | 117.5 ± 7.2 | 89.7 ± 15.9 | 77.3 ± 5.9 |
800 | 629.3 ± 47.5 | 571.6 ± 28.6 | 178.4 ± 60.8 | 97.9 ± 6.8 | 83.7 ± 8.9 | 64.1 ± 4.8 | 54.5 ± 8.0 |
1000 | 473.4 ± 40.3 | 441.4 ± 21.1 | 150.1 ± 45.8 | 69.6 ± 4.0 | 59.6 ± 8.9 | 46.0 ± 3.4 | 40.3 ± 7.9 |