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Table 1 Baseline participant’s characteristics

From: The effect of vitamin D supplementation on the glycemic control of pre-diabetic Qatari patients in a randomized control trial

  Placebo (n = 75) Vitamin D (n = 57) P-value between groups
Age (years), mean ± SD 44.89 ± 8.88 45.51 ± 8.96 0.69
Gender (male), n (%) 63 (84.0) 47 (82.5) 0.81
Ethnicity (Arab), n (%) 48 (64.0) 23 (40.4) 0.007
25(OH) D (< 20 ng/ml), n (%) 55 (73.3) 45 (83.3) 0.18
Family history of diabetes (yes), n (%) 52 (69.3) 44 (77.2) 0.31
Family history of IHD (yes), n (%) 15 (20.3) 13 (23.2) 0.68
Family history of HTN (yes), n (%) 43 (58.1) 31 (55.4) 0.75
Physically active for at least 30 min per day (yes), n (%) 29 (38.7) 21 (37.5) 0.89
High blood glucose history (yes), n (%) 9 (12.0) 6 (10.5) 0.79
FINDRISC score, mean ± SD 12.01 ± 4.00 11.96 ± 4.05 0.94
  1. FINDRISC score: A score calculated based on a questionnaire assessing the risk for diabetes
  2. Abbreviations: IHD Ischemic heart disease, HTN Hypertension, FINDRISC Finnish diabetes risk score