Table 2.
Prevalence of grade assignment by radiologist and prevalence of associated neurologic manifestation by grade
| Parameter | Grade 0 | Grade 1 | Grade 2 | Grade 3 | Total | |
|---|---|---|---|---|---|---|
| Park system | Prevalence | 136/135 | 21/23 | 17/15 | 14/15 | 188/188 |
| PNM | 9/8 | 13/16 | 16/14 | 13/13 | 51/51 | |
| NNM | 127/127 | 8/7 | 1/1 | 1/2 | 137/137 | |
| Kim system | Prevalence | 106/109 | 51/52 | 31/27 | – | 188/188 |
| PNM | 0/5 | 21/21 | 30/25 | – | 51/51 | |
| NNM | 106/104 | 30/31 | 1/2 | – | 137/137 | |
| Modified Kim system | Prevalence | 129/135 | 28/26 | 31/27 | – | 188/188 |
| PNM | 7/11 | 14/15 | 30/25 | – | 51/51 | |
| NNM | 122/124 | 14/11 | 1/2 | – | 137/137 | |
NNM, negative neurologic manifestation; PNM, positive neurologic manifestation.
Reader 1/Reader 2.