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Table 3 Effect of vitamin D administration on fever, arthritis, pain, and attack frequency

From: The influence of vitamin D administration on the clinical presentation, body mass index, and osteoprotegerin (OPG) level in a sample of Egyptian children with familial Mediterranean fever

Condition No. of cases before No. of cases after Improvement p
Fever 31 (93.9%) 17 (51.5%) 14 (42.4%) < 0.001*
Arthritis 27 (81.8%) 14 (42.4%) 13 (39.4%) < 0.001*
Abdominal pain 26 (78.8%) 14 (42.4%) 11 (33.3%) < 0.001*
Attack frequency Mild 6 (18.2%) 18 (54.5%) 19 (57.6%) < 0.001*
Moderate 16 (48.5%) 13 (39.4%)
Severe 11 (33.3%) 2 (6.1%)
  1. Total = 33. Attack frequency: Mild (1/month), Moderate (2/month), Severe (≥ 3/month). ^McNemar test. *Significant