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Table 1 General characteristics of patients and control group and the related comparisons

From: Bone density, fractures and the associated factors in iranian children and adolescent with Osteogenesis Imperfecta

variable Control group OI children P-value
Age (y) 8.29±4 8.29±4 1
Calcium (mg/dl) 9.85±0.49 9.64±0.67 0.230
Phosphorous (mg/dl) 4.42±0.5 4.80±0.83 0.063
Alkaline phosphates (IU/L) 428±74 534±250 0.063
25OHD (ng/ml) 18.35±5.35 25.80±15.34 0.033
Height 124.96±22.10 119±25.10 0.398
Weight 24.43±9.50 24.04±13.20 0.909
BMI 15.24±2.27 15.73±3.50 0.580
BMI Percentile 28.91±6.92 36.52±6.20 0.418
Sun exposure (%) Low 52% Low 61% 0.329
Medium 43% Medium 26%
High 5% High 13%
Physical activity (%) Insufficient 21.7% Insufficient 73.9% <0.001
Sufficient 78.3% Sufficient 26.1%
Puberty (%) Pre pubertal 78% Pre pubertal 61% 0.359
Early pubertal 13% Early pubertal 30%
Late pubertal 9% Late pubertal 9%
Sex (%) Male 39.1% Male 39.1% 0.618
Female 60.9% Female 60.9%