Table 3 Comparison of DWI parameters between patients with different grades of PAS disorders (n = 115)
Parameters | Patients without PAS disorders | Patients with placenta accreta | Patients with placenta increta | Patients with placenta percreta | p value |
|---|---|---|---|---|---|
Standard DWI parameters | |||||
ADC mean (× 10−3 mm2/s) | 1.53 (0.11) | 1.52 (0.14) | 1.53 (0.08) | 1.55 (0.12) | 0.754 |
DKI parameters | |||||
MD mean (× 10−3 mm2/s) | 2.97 (0.34) | 3.19 (0.43) | 3.12 (0.39) | 3.34 (0.33) | 0.008 |
MK mean | 0.54 (0.04) | 0.53 (0.06) | 0.53 (0.03) | 0.53 (0.04) | 0.195 |
IVIM parameters | |||||
f mean (%) | 42.07 (5.09) | 44.32 (5.13) | 43.55 (5.31) | 45.48 (3.91) | 0.015 |
D mean (× 10−3 mm2/s) | 1.58 (0.13) | 1.61 (0.18) | 1.64 (0.13) | 1.67 (0.14) | 0.048 |
D* mean (× 10−3 mm2/s) | 31.95 (8.26) | 36.44 (9.20) | 36.07 (8.58) | 39.78 (7.26) | 0.001 |