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Correlation analysis for the duration of LDH, VAS and JOA scores.
| Age group | ||||
|---|---|---|---|---|
| Youth | Elderly | |||
| Factor | L4-L5 segment | L5-S1 segment | L4-L5 segment | L5-S1 segment |
| Duration of LDH | ||||
| Rho | 0.962 | 0.929 | 0.949 | 0.936 |
| P-value | 0.009 | 0.023 | 0.014 | 0.019 |
| JOA score | ||||
| Rho | 0.973 | 0.920 | 0.970 | 0.961 |
| P-value | 0.005 | 0.027 | 0.006 | 0.009 |
| VAS | ||||
| Rho | 0.984 | 0.969 | 0.975 | 0.971 |
| P-value | 0.002 | 0.006 | 0.005 | 0.006 |
LDH, lumbar disc herniation; VAS, visual analog scale for pain; JOA, Japanese Orthopedic Association.
