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Table 4 Differences in ASL-derived parameters between the SD and PR groups and residual and non-residual groups

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

Parameters Group p-value Group p-value
SD (n = 19) PR (n = 36) Residual (n = 17) No-residual (n = 38)
Pre-TBF 129.87 ± 18.35 155.59 ± 17.26  < 0.001 129.34 ± 19.67 154.47 ± 17.32  < 0.001
Post-TBF 79.36 ± 9.79 86.73 ± 11.73 0.017 79.19 ± 13.04 86.42 ± 10.25 0.054
ΔTBF 50.50 ± 18.43 68.86 ± 15.05 0.01 50.15 ± 20.24 68.05 ± 14.62 0.003
Atrophy rate% 17.66 ± 6.99 60.02 ± 12.09  < 0.001 29.59 ± 20.28 52.46 ± 20.87 0.001
  1. Pre-TBF pre-treatment tumor blood flow; Post-TBF post-treatment tumor blood flow; ΔTBF changes in tumor blood flow; SD the stable disease group; PR the partial response group; TBF in units of mL·100 g−1·min.−1