Table 2 Comparison of the Median Signal to Noise Ratio (SNR) for T1wFLAIR verses T1wTSE Sequences Pre and Post Contrast Administration
No. of Observations for T1wFLAIR verses T1wTSE | |||||
|---|---|---|---|---|---|
Measure | Gad | Negative | Positive | Median of Differences Median | two-tailed P-value |
SNR_CSF | No | 25 | 3 | - 4.91 | 0.00003 |
SNR_CSF | Yes | 25 | 3 | - 5.48 | 0.00003 |
SNR_GM | No | 25 | 3 | −5.57 | 0.00003 |
SNR_GM | Yes | 24 | 4 | −5.33 | 0.00018 |
SNR_WM | No | 21 | 7 | −2.96 | 0.01254 |
SNR_WM | Yes | 22 | 6 | −2.82 | 0.00372 |