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Table 5 Mean and standard deviation score of quality of life and clinical activity score in patients participated in two groups taking high and low doses of vitamin D at the beginning and end of the study

From: The effects of two vitamin D regimens on ulcerative colitis activity index, quality of life and oxidant/anti-oxidant status

Variables Time of the study   
Beginning of study End of study P-valuec aP-value bP-value
Quality of life questionnaire score     0.001 0.003
 Low dose group 42.59 ± 8.66 44.73 ± 8.01 < 0.001   
 High dose group 40.54 ± 9.46 46.75 ± 9.27 < 0.001   
P-valued 0.45 0.43    
Clinical Activity Indicator Questionnaire score     0.004 0.045
 Low dose group 3.00 ± 3.59 2.68 ± 2.27 0.009   
 High dose group 5.25 ± 2.98 2.67 ± 2.25 < 0.001   
P-valued 0.06 0.98    
  1. The values are reported as mean ± standard deviation
  2. aP –value for complementary efficacy (changes comparison) by Student T-test
  3. bP-value for complementary efficacy (changes comparison) after adjustment by ANCOVA test for BMI, and baseline values
  4. cP –value for within group comparison using paired t test
  5. dP –value for between groups comparison using Student T-test