Table 2 Quantitative image analysis for MRCP imaging at 3.0 T and 5.0 T
Equipment | The biliary tree of the dilated bile duct group | The biliary tree of the healthy group | |||||
|---|---|---|---|---|---|---|---|
number of branches (pixel) | total branch length (pixel) | maximum branch length (pixel) | number of branches (piece) | total branch length (pixel) | maximum branch length (pixel) | ||
3.0 T | 31.00(18.00, 63.00) | 1534.05(1008.09, 3474.38) | 230.27 ± 80.20 | 11.45 ± 4.08 | 572.34(441.18, 1131.72) | 196.17(149.22, 259.84) | |
5.0 T | 35.00(22.00, 66.00) | 3045.30(1765.33, 4065.70) | 275.06 ± 83.50 | 12.80 ± 5.01 | 737.66(584.49, 1095.86) | 220.06(187.60, 262.65) | |
Statistical value | -3.585b | -3.139b | -3.802a | -2.969a | -2.875b | -2.128b | |
P | <0.001 | 0.002 | 0.001 | 0.008 | 0.004 | 0.053 | |