Table 2 Group median (interquartile range Q1–Q3) of COV for within-session, between-session and between-scanner analysis per ROI per APT-weighted CEST metric.
COV of LD (%) | WM | GM | CSF | |
|---|---|---|---|---|
Within session (N = 19) | 0.56 [0.20–1.01] | 0.68 [0.49–1.48] | 3.04 [1.49–5.68] | |
Between session (N = 6) | 0.84 [0.38–1.27] | 1.52 [0.72–2.41] | 4.76 [3.74–6.70] | |
Between scanner (N = 9) | 0.80 [0.48–1.26] | 1.28 [0.77–3.34] | 6.62 [6.27–8.38] | |
All sessions (N = 6) | 1.91 [1.08–3.17] | 3.96 [2.30–7.13] | 7.96 [6.16–8.33] |
COV of MTRasym (%) | WM | GM | CSF | |
|---|---|---|---|---|
Within session | 2.62 [0.94–7.08] | 2.64 [1.35–7.00] | 19.62 [7.14–35.90] | |
Between sessions | 4.58 [3.48–9.66] | 13.35 [9.40–19.99] | 18.43 [3.86–47.32] | |
Between scanner | 10.46 [2.69–15.72] | 57.59 [32.81–68.53] | 8.37 [3.27–31.11] | |
All sessions | 12.22 [8.55–36.17] | 49.47 [36.71–53.18] | 35.28 [28.29–42.96] |
COV of MTRREX (%) | WM | GM | CSF | |
|---|---|---|---|---|
Within session | 1.28 [0.96–2.33] | 2.34 [1.27–4.26] | 3.94 [2.33–5.92] | |
Between sessions | 0.79 [0.24–2.26] | 4.48 [3.28–7.44] | 9.98 [6.38–10.69] | |
Between scanner | 9.30 [6.27–9.95] | 8.85 [5.20–19.61] | 10.98 [6.93–13.00] | |
All sessions | 8.67 [6.98–9.57] | 21.00 [15.33–26.65] | 17.40 [13.87–18.58] |
