Table 4:

Response to provocative discography by imaging findings of HIZ and EAF (no discs identified with HIZ but without EAF)

Imaging FeaturesDiscography Pain Response
Severe Pain (n = 50)Negative for Pain(n = 50)Total (n = 100)
Concordant (n = 36)Nonconcordant (n = 14)
EAF+ HIZ+14/36 (39%)6/14 (43%)3/50 (6%)23/100
EAF+ HIZ−8/36 (22%)4/14 (29%)4/50 (8%)16/100
EAF− HIZ−14/36 (39%)4/14 (29%)43/50 (86%)61/100
Total36 (100%)14 (100%)50 (100%)100/100