Fig. 4

Forest plot for clinical indexes [neck disability index (NDI) (a1, a2), neurological success (b), range of motion (ROM) (c), Visual Analogue Score (VAS) (d)]
Forest plot for clinical indexes [neck disability index (NDI) (a1, a2), neurological success (b), range of motion (ROM) (c), Visual Analogue Score (VAS) (d)]