Incidence of detected foraminal narrowing in patients on MR imaging and DTI
| L4 | L5 | Total | |
|---|---|---|---|
| MR imaging | |||
| Asymptomatic foramina (n = 24) | 5/16 | 6/8 | 11/24 |
| Symptomatic foramina (n = 8) | 0/0 | 8/8 | 8/8 |
| False-positive rate (%) | 45.80 | ||
| DTI | L4 | L5 | Total |
| Asymptomatic foramina (n = 24) | 0/16 | 0/8 | 0/24 |
| Symptomatic foramina (n = 8) | 0/0 | 8/8 | 8/8 |
| False-positive rate (%) | 0.00 |