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Table 2 Effect of vitamin D administration on ZBMI, attack duration, OPG, and vitamin D

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

Variables Before After Change
(after-before)
p
Z BMI − 0.2 ± 1.3 0.2 ± 1.2 0.3 ± 0.8 0.045*
Attack duration (h) 44.6 ± 26.9 30.5 ± 18.2 − 14.0 ± 15.1 < 0.001*
OPG (pg/ml) 328.3 ± 147.1 677.7 ± 187.3 339.4 ± 205.5 < 0.001*
Vitamin D (ng/ml) 22.3 ± 9.3 41.1 ± 10.4 18.8 ± 7.2 < 0.001*
  1. Total = 33. Data expressed as mean ± SD. Negative values indicate reduction. ^Paired t test. *Significant