Table 3.
Correlations between the perfusion parameters of SYN and the clinical disease activity scores at baseline. The correlation coefficients (highlighted as bold and marked with *) denote significant correlations (p<0.05). Clinical SYN grading is also listed for comparison.
| SYN Perfusion parameters (baseline, n=9) | dT (S) | MaxI (%) | TTP (s) | Slope (%/min) | AUC (%hour) | AUCP (%hour) | SYN grading | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temporal resolution | 10 s | 5 s | 10 s | 5 s | 10 s | 5 s | 10 s | 5 s | 10 s | 5 s | 10 s | 5 s | |
| TEN28 | -0.85* | -0.95* | 0.77* | 0.76* | -0.63 | -0.74* | 0.88* | 0.88* | 0.80* | 0.80* | 0.63 | 0.60 | 0.62 |
| SW28 | -0.59 | -0.77* | 0.67* | 0.67* | -0.40 | -0.34 | 0.57 | 0.60 | 0.68* | 0.69* | 0.59 | 0.66 | 0.80* |
| ESR | 0.49 | 0.28 | 0.03 | 0.04 | 0.26 | 0.49 | -0.08 | -0.10 | -0.00 | 0.00 | 0.07 | 0.16 | 0.28 |
| CRP | -0.52 | -0.54 | 0.56 | 0.57 | -0.33 | -0.21 | 0.46 | 0.47 | 0.56 | 0.57 | 0.50 | 0.57 | 0.42 |
| DAS28-ESR | -0.53 | -0.80* | 0.69* | 0.67* | -0.25 | -0.26 | 0.60 | 0.61 | 0.68* | 0.68* | 0.67* | 0.66 | 0.75* |
| DAS28-CRP | -0.70* | -0.87* | 0.69* | 0.68* | -0.35 | -0.38 | 0.62 | 0.65 | 0.70* | 0.69* | 0.66 | 0.64 | 0.63 |
| SYN grading | -0.30 | -0.56 | 0.71* | 0.71* | -0.26 | -0.19 | 0.57 | 0.58 | 0.71* | 0.72* | 0.69* | 0.73* | |