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Table 1 Main baseline characteristics of patients (70+) included in the ARIZONA study

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

Age (years) 70-74 (N = 220) 75-79 (N = 163) 80-84 (N = 137) 85+ (N = 89) p- value
Sex (female): % 60.9 61.3 61.0 76.1 0.062
BMI (kg/m 2 ): mean (SD) 26.6 (4.8) 26.6 (4.6) 24.9 (4.0) 25.4 (4.4) 0.001
Comorbidity: % 72.8 78.4 81.5 78.7 0.261
 Cardiovascular disease 63.3 73.2 80.9 78.6 0.008
 Diabetes 13.3 17.3 4.5 11.4 0.324
 Cancer 8.2 11.0 8.6 11.0 0.263
 Chronic pulmonary disease 10.1 12.6 10.9 14.3 0.801
 Other chronic disease 33.5 24.4 28.2 25.7 0.351
Previous history of VZV disease: %
 Known history of varicella 51.1 48.1 41.6 45.5 0.642
 Known history of Herpes zoster 20.5 17.9 16.1 11.2  
If history of VZV disease: %      0.663
  ≥12 and <24 months 9.3 10.3 4.5 0.0  
  >24 months 90.7 89.7 92.5 100.0  
Familial status: %      <0.001
 Married or partner 67.9 63.4 45.5 32.4  
 Widowed 21.2 26.1 43.0 59.5  
 Divorced or separated 6.2 7.0 5.0 2.7  
 Single 4.7 3.5 6.6 5.4  
Living conditions: %      <0.001
 At home or with close relatives 96.9 97.9 91.7 82.7  
 In a community 3.1 2.1 8.3 17.3  
  1. BMI = body mass index; SD = standard deviation; VZV = varicella zoster virus.