Table 4 Diagnostic values of MRI readings (reader 1/reader 2) for each grade of cartilaginous lesion in patients with first and recurrent LPDs
Sensitivity [%] | Specificity [%] | Positive predictive value [%] | Negative predictive value [%] | ||
|---|---|---|---|---|---|
Grade 4 | First LPD | 89/83 | 99/100 | 94/100 | 98/97 |
Recurrent LPD | 70/70 | 96/95 | 64/58 | 97/97 | |
Grade 3 | First LPD | 83/60 | 98/98 | 63/60 | 99/98 |
Recurrent LPD | 60/44 | 97/97 | 67/57 | 96/95 | |
Grade 2 | First LPD | 33/40 | 97/96 | 63/55 | 92/92 |
Recurrent LPD | 38/50 | 91/91 | 40/47 | 90/92 | |
Grade 1 | First LPD | 0/0† | 98/96 | 0/0† | 98/98 |
Recurrent LPD | 14/14 | 98/97 | 20/11 | 97/97 |