CT-Guided ¹²⁵I Seed Interstitial Brachytherapy as a Salvage Treatment for Recurrent Spinal Metastases after External Beam Radiotherapy

Table 4

Comparison of the NRS pain scores before and after .

Pain score	Before brachytherapy	After brachytherapy
No pain	0.0	16.7 (4/24)
Mild pain	33.3 (8/24)	54.2 (13/24)
Moderate pain	41.7 (10/24)	25.0 (6/24)
Severe pain	25.0 (6/24)	4.2 (1/24)

values given as % (cases).