Skip to main content
. 2022 Dec 27;20:625. doi: 10.1186/s12967-022-03838-1

Table 2.

Average Apparent Diffusion Coefficient (ADC), Diffusion coefficient (D), Perfusion Coefficient (D*), Perfusion fraction (f) and D*.f in good-response (GR) and poor-response (PR) groups at baseline (t0), after 1st cycle of chemotherapy (t1), and after 3rd cycle of chemotherapy (t2) and the relative percentage changes of parameters across time-points t0 & t1 (ΔI) and t0 & t2 (ΔII)

Parameters GR (n = 13) PR (n = 22) p-value
Time-point t0
 ADC (× 10−3 mm2/s) 1.30 ± 0.29*# 1.41 ± 0.36*# 0.36
 D (× 10−3 mm2/s) 1.21 ± 0.28*# 1.35 ± 0.32*# 0.20
 D* (× 10−3 mm2/s) 23.76 ± 7.56# 30.95 ± 10.80# 0.04
 f (%) 13.31 ± 2.68 14.05 ± 2.99 0.47
 D*.f × 10−3 mm2/s 3.85 ± 1.90# 5.12 ± 2.52# 0.13
Time-point t1
 ADC (× 10−3 mm2/s) 1.53 ± 0.28* 1.68 ± 0.29* 0.04
 D (× 10−3mm2/s) 1.44 ± 0.35* 1.66 ± 0.27* 0.02
 D* (× 10−3mm2/s) 19.77 ± 4.20 25.32 ± 12.47 0.13
 f (%) 13.36 ± 2.04 12.89 ± 2.69 0.59
 D*.f (× 10−3mm2/s) 2.97 ± 1.02 4.49 ± 2.32 0.01
 ADC-ΔI (%) 20.08 ± 20.24 29.00 ± 31.17 0.36
 D-ΔI (%) 21.63 ± 27.15 28.68 ± 28.12 0.47
 D*-ΔI (%) − 14.86 ± 26.63 − 10.45 ± 50.66 0.63
 f-ΔI (%) 3.15 ± 20.28 − 5.56 ± 21.42 0.24
 D*.f-ΔI (%) − 12.12 ± 34.90 − 4.90 ± 39.22 0.59
Time-point t2
 ADC (× 10−3 mm2/s) 1.66 ± 0.21# 1.75 ± 0.30# 0.35
 D (× 10−3 mm2/s) 1.57 ± 0.20# 1.66 ± 0.27# 0.29
 D* (× 10−3 mm2/s) 17.77 ± 6.02# 23.44 ± 10.65# 0.09
 f (%) 12.55 ± 1.24 13.22 ± 2.54 0.38
 D*.f (× 10−3 mm2/s) 2.53 ± 1.37# 3.50 ± 1.86# 0.11
 ADC-ΔII (%) 31.35 ± 21.99 30.01 ± 33.74 0.90
 D-ΔII (%) 33.08 ± 18.73 27.60 ± 29.48 0.55
 D*-ΔII (%) − 22.12 ± 29.97 − 19.98 ± 31.83 0.79
 f-ΔII (%) − 2.16 ± 21.90 − 2.74 ± 23.86 0.94
 D*.f-ΔII (%) − 26.64 ± 49.64 − 23.73 ± 30.44 0.83

p-values are showing statistical significance of parameters between GR and PR groups using independent sample t test

* Significantly change (p < 0.05) according to paired t-test between time point t0 and t1

# Significantly change (p < 0.05) according to paired t-test between time point t0 and t2