Table 3.

Surface under cumulative ranking curve of response rate and pain change.

Treatment	Response rate	Pain change
Control	0.182	0.237
Collar	0.652	0.454
Corticosteroid	0.656	0.589
Physiotherapy	0.610	0.530
Traction	0.490	0.748
PRF	0.410	–
Chemonucleolysis	–	0.367
NSAID	–	0.448
Serotonin	–	0.262
Surgery	–	0.866

NSAID: non-steroidal anti-inflammatory drugs; PRF: pulsed radiofrequency.