Research Article
Selective Retention of Bone Marrow Stromal Cells with Gelatin Sponge for Repair of Intervertebral Disc Defects after Microendoscopic Discectomy: A Prospective Controlled Study and 2-Year Follow-Up
Figure 4
SF-36 of PCS scores (a) and MCS scores (b) showed that all patients presented an improvement of more than 50% in the last follow-up period compared to preoperative status (). No significant difference was found between all groups at the last follow-up (). The asterisk () indicates that the data at this follow-up time point is statistically significant compared with the data at the previous follow-up time points.
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