Comparison of the Efficacy and Safety of Temporary Spinal Cord Stimulation versus Pulsed Radiofrequency for Postherpetic Neuralgia: A Prospective Randomized Controlled Trial

Table 2

Discontinuation and elimination criteria of PHN patients.

Discontinuation criteria	Elimination criteria
(1) Subjects having serious adverse reactions during the study and it is not appropriate to continue participating in the trial	(1) Subjects do not meet the inclusion criteria, but they are included in the trial by mistake
(2) Subjects who face serious complications or deteriorating conditions during the study and emergency measures are urgently needed	(2) Subjects do not follow the prescribed treatment or have incomplete data that affects the efficacy evaluation and safety evaluation
(3) Subjects ask to quit the trial halfway	(3) Subjects with poor compliance and withdraw from the study by themselves
(4) Subjects have poor compliance and cannot comply with the study protocol	(4) Subjects received adjunctive treatments other than the intervention of this trial