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Table 1: 
Annular fissures identified and pain response at provocation discography
Peripheral Annular Morphology by MR ImagingDiscography-Provoked Pain Response
Severe PainNegative for PainTotal
Concordant Pain(% of Total)Nonconcordant Pain(% of Total)
EAF22/39 (56.4%)10/39 (25.6%)7/39 (18%)39 (100%)
Focal high signal on T2WI only0011
No MR imaging evidence of annular fissure/tear14/60 (23.3%)4/60 (6.7%)42/60 (70.0%)60 (100%)
Total36/100 (36%)14/100 (14%)50/100 (50%)100 (100%)