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Figure 2 | BMC Infectious Diseases

Figure 2

From: ARIZONA study: is the risk of post-herpetic neuralgia and its burden increased in the most elderly patients?

Figure 2

Mean NPSI scores in patients with herpes zoster (HZ)-related pain during the 12-month follow-up period by age-group. NPSI = Neuropathic Pain Symptom Inventory. NPSI score >30 indicates moderate pain (range score 0–100). Mean NPSI scores were calculated in the population of patients aged 70 years or more with HZ-related pain (day 0) or PHN (months 3, 6, and 12) and available NPSI data at each time-point. Missing data were not replaced.

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