Table 4 Univariable analysis of whole-tumour quantitative evaluation of pre-operative PDAC imaging and therapy efficacy of S-1 in the primary cohort
Non-response group (n = 16) | Response group (n = 15) | p value | |
|---|---|---|---|
Short diameter (cm) | 1.92 ± 0.71 | 1.84 ± 0.63 | 0.858 |
Long diameter (cm) | 2.73 ± 1.17 | 3.16 ± 1.96 | 0.937 |
ADC value (10–3 mm2/s) | 1.64 ± 0.53 | 1.85 ± 0.61 | 0.343 |
Enhancement rate of AP (%) | 70.87 ± 26.78 | 88.98 ± 42.76 | 0.268 |
Enhancement rate of PVP (%) | 141.08 ± 45.53 | 167.23 ± 50.48 | 0.114 |
Enhancement rate of DP (%) | 158.29 ± 33.48 | 198.05 ± 45.97 | 0.013 |
Enhancement rate difference between PVP and AP (%) | 70.22 ± 25.10 | 78.25 ± 31.96 | 0.607 |
Enhancement rate difference between DP and AP (%) | 87.42 ± 26.08 | 109.07 ± 32.77 | 0.036 |
Enhancement rate difference between DP and PVP (%) | 17.21 ± 29.44 | 30.82 ± 25.78 | 0.304 |