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Table 3 Reproducibility of ASL-derived parameters and tumor atrophy rate

From: Arterial spin labeling of nasopharyngeal carcinoma shows early therapy response

Parameters ICC
Intra (95% CI) Inter (95% CI)
Pre-TBF 0.912 (0.849, 0.949) 0.924 (0.871, 0.956)
Post-TBF 0.943 (0.902, 0.967) 0.931 (0.882, 0.960)
TBF 0.894 (0.818, 0.938) 0.912 (0.849, 0.949)
Atrophy rate% 0.994 (0.990, 0.996) 0.985 (0.974, 0.991)
  1. Pre-TBF pre-treatment tumor blood flow; Post-TBF post-treatment tumor blood flow; ΔTBF changes in tumor blood flow; CI confidence interval