Incidence and hazard ratios for herpes zoster and postherpetic neuralgia during the follow-up period for surgical versus nonsurgical traumatic brain injury patients.

CI, confidence interval; HR, hazard ratio; TBI, traumatic brain injury; HRs with a 95% CI and their P values were calculated using a Cox proportional-hazards regression model. Incidence and hazard ratios for herpes zoster and postherpetic neuralgia during the follow-up period for surgical versus nonsurgical traumatic brain injury patients.