Research Article
Transforaminal Endoscopic Lumbar Discectomy with versus without Platelet-Rich Plasma Injection for Lumbar Disc Herniation: A Prospective Cohort Study
Table 3
Comparison of MRI features at 3 days and 1 year after operation.
| | Characteristics | Control group, n = 57 | PRP group, n = 51 | value |
| | DH (mm) | | 3 days | 9.97 ± 3.34 | 10.15 ± 3.77 | 0.222 | | 1 year | 8.64 ± 3.20 | 8.85 ± 3.48 | 0.350 | | SCSA (mm2) | | 3 days | 165.11 ± 31.51 | 174.01 ± 43.32 | 0.230 | | 1 year | 201.15 ± 49.16 | 218.95 ± 32.80 | 0.031 | | Pfirrmann grading | | | 0.751 | | Grade II | 1 (1.8%) | 2 (3.9%) | | | Grade III | 36 (63.2%) | 30 (58.8%) | | | Grade IV | 20(35.1%) | 169 (37.3%) | | | MSU-herniated disc grade | | | 0.461 | | Grade 1 | 40 (70.2%) | 39 (76.5%) | | | Grade 2 | 17 (29.8%) | 10 (23.5%) | | | Disc protrusion (mm) | | 3 days | 3.23 ± 1.28 | 3.34 ± 1.36 | 0.680 | | 1 year | 2.19 ± 0.96 | 1.77 ± 1.10 | 0.043 |
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DH, disc height; SCSA, spinal cross-sectional area; PRP, platelet-rich plasma; MRI, magnetic resonance imaging, . |
