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Table 1 Baseline characteristics of patients and control

From: Serum vitamin D levels in acute stroke patients

VariablesStroke patients (N = 138)Control (N = 138)Test of significantp value
Age (years): mean ± SD64.27 ± 12.3664.65 ± 10.20.29a0.33
Sex
 Male72 (52.2%)60 (43.5%)2.09b0.18
 Females66 (47.8%)78 (56.5%)
Vascular risk factors: N (%)
 Hypertension81 (58.7%)20 (14.5%)58.10b0.000*
 Diabetes mellitus82 (59.4%)44 (31.9%)21.08b0.000*
 Dyslipidemia56 (40.6%)18 (13%)26.66b0.000*
 Smoking46 (33.3%)12 (8.7%)25.23b0.000*
 Atrial fibrillation45 (32.6%)10 (7.2%)27.81b0.000*
 Ischemic heart disease28 (20.3%)12 (8.7%)7.48b0.006*
 Peripheral vascular disease30 (21.7%)5 (3.6%)20.45b0.000*
 Alcohol8 (5.8%)4 (2.9%)1.39b0.37
 Obesity58 (42.0%)40 (28.9%)5.12b0.02*
Laboratory findings: mean ± SD
 Calcium level (mg/dl)8.69 ± 0.928.73 ± 0.990.34a0.63
 Phosphorus level (mg/dl)3.96 ± 0.694.06 ± 0.541.34a0.18
 Vitamin D (ng/ml)13.47 ± 7.0437.62 ± 4.434.17a0.000*
 Alkaline phosphatase (μ/L)68.43 ± 19.666.65 ± 20.820.73a0.46
  1. N Number, SD standard deviation
  2. at test
  3. bChi-squared
  4. *Significant at p value ≤ 0.05