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Table 2: 

Incidence of detected foraminal narrowing in patients on MR imaging and DTI


L4L5Total
MR imaging
    Asymptomatic foramina (n = 24)5/166/811/24
    Symptomatic foramina (n = 8)0/08/88/8
    False-positive rate (%)45.80
DTIL4L5Total
    Asymptomatic foramina (n = 24)0/160/80/24
    Symptomatic foramina (n = 8)0/08/88/8
    False-positive rate (%)0.00