22 October 2021: Database Analysis
Comparison of Magnetic Resonance Imaging of the Lower Uterine Segment in Pregnant Women with Central Placenta Previa with and without Placenta Accreta Spectrum from a Single Center
Shunyu Hou 1G* , Ye Song 1B* , Jiahui Wu 2D , Liping Zhou 1B , Suya Kang 1F , Xi Chen 3C , Lei Zhang 4F , Yanli Lu 5C , Yongfei Yue 1ACE*DOI: 10.12659/MSM.932759
Med Sci Monit 2021; 27:e932759
Table 2 Interobserver reliability of magnetic resonance imaging (MRI) in the diagnosis of placenta accreta spectrum (PAS).
| MRI features | Either | Both | Agree | Kappa | Interpertation |
|---|---|---|---|---|---|
| Placenta thickness | 43 (27.564) | 41 (26.282) | 98.718 | 0.967 | Almost perfect |
| Cervical lengths | 28 (17.949) | 24 (15.385) | 97.436 | 0.908 | Almost perfect |
| Placental dark T2 bands area | 73 (46.795) | 63 (40.385) | 93.590 | 0.870 | Substantial |
| Cervical marginal sinus | 32 (20.213) | 27 (17.308) | 96.795 | 0.895 | Substantial |
| Bladder bulge | 23 (14.744) | 16 (10.256) | 95.513 | 0.795 | Moderate |
| Myometrial thinning | 47 (30.128) | 36 (23.077) | 92.949 | 0.819 | Substantial |
| Lower uterine segment bulge | 52 (33.333) | 43 (27.564) | 94.231 | 0.864 | Substantial |
| Placental signals in the cervix | 26 (16.667) | 22 (14.103) | 97.436 | 0.902 | Almost perfect |
| Presented here as No. (%). Number (and proportion) of studies in which either radiologist or both radiologists reported a finding. Percentage of studies in which they agreed. | |||||