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Table 2 Patient demographic and clinical characteristics

From: Health utilities and costs for neuromyelitis optica spectrum disorder

Characteristic Mean (SD, range) or (%)
Total number of patients, N 117
Gender, female N (%) 91 (78%)
Age at baseline, years (SD, range) 53 (15, 18–86)
Age at first onset of symptoms, years (SD, range) 44 (15, 14–85)
Length of time until referral to the Walton centre, years (SD, range) 6 (7, 0–36)
Duration since first attack, years (SD, range) 12 (8, 1–45)
Number of relapses per patient, mean (range) 3 (0–10)
Mild disability (EDSS ≤ 4.0) N (%) 29 (26%)
Moderate disability (4.5 ≤ EDSS ≤ 6.5) N (%) 56 (50%)
Moderate to severe disability (7.0 ≤ EDSS ≤ 7.5) N (%) 14 (13%)
Severe disability (8.0 ≤ EDSS ≤ 9.5) N (%) 12 (11%)