Table. 1.

Spearman’s correlation coefficient of study parameters and pain on discography

Parameter Spearman’s coefficient P value
Age –0.31 0.027*
Containment status of the disc 0.07 0.600
Desiccation of the disc 0.61 < 0.001*
Presence of HIZ 0.16 0.270
Nucleus prolapse (protrusion/extrusion) 0.06 0.660

HIZ: high intensity zone.

*P value less than 0.05 is significant.

Korean J Pain 2021;34:447~453 https://doi.org/10.3344/kjp.2021.34.4.447
© Korean J Pain