Table 3.

Comparison of postoperative NRS scores among neck, upper back, and arm symptoms in C5–8 radiculopathy.

Comparison	Mean difference	95% confidence interval	p-value
Postoperative numbness
Neck vs. upper back	0.29	− 0.06, 0.65	0.133
Arm vs. upper back	1.81	1.45, 2.17	< 0.001
Arm vs. neck	1.52	1.16, 1.88	< 0.001
Postoperative pain
Neck vs. upper back	0.59	0.18, 1.00	0.002
Arm vs. upper back	0.76	0.35, 1.17	< 0.001
Arm vs. neck	0.17	− 0.24, 0.58	0.595

NRS: numerical rating scale.

Bold values indicate p < 0.05. Tukey’s multiple comparison test results.