Research Article
Effectiveness of Low-Level Laser Therapy in Patients with Discogenic Lumbar Radiculopathy: A Double-Blind Randomized Controlled Trial
Table 4
Correlation analysis among pain intensity, functional disability, and lumbar ROM outcomes of both groups.
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Pearson correlation coefficient: r < 0.4, weak or no relationship; 0.5 < r < 0.7, moderate relationship; and r > 0.7, strong relationship. |