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. 2014 Apr 8;8(2):161–169. doi: 10.4184/asj.2014.8.2.161

Fig. 5.

Fig. 5

Comparison of foraminal heights in the two groups at various points in time. There were significant changes in the foraminal height (p<0.001) in both groups compared to baseline. Increase in foraminal height in the Coflex group was statistically significant (p<0.001) compared to the decrease in the comparison group.