examination Abnormal placenta prediction Placenta implantation by surgery Placenta implantation by surgery Se Sp Kappa p value
Only untrasound Yes (514) No (233)
Yes (271) 244 27 47.5% 88.4% 0.279 <0.001
No (476) 270 206
Only MRI Yes (178) No (90)
Yes (143) 141 2 79.2% 97.8% 0.702 <0.001
No (37) 37 88
Untrasound and MRI U and M* Yes (178) No (90)
Yes (56) 56 0 31.5% 100% 0.236 <0.001
No (212) 122 90
Untrasound and MRI U or M* Yes (178) No (90)
Yes (160) 154 6 86.5% 93.3% 0.761 <0.001
No (108) 24 84