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Table 1 Blood glucose levels, glucose variability, and reported "hypoglycemic" nutrition-related symptoms on baseline and intervention days.

From: Physician nutrition and cognition during work hours: effect of a nutrition based intervention

  Baseline Intervention Difference p-value
Blood glucose (mmol/L)     
Mean glucose (SE) 5.7 (0.1) 5.3 (0.1) -0.3 (0.2) 0.03 a
Minimum glucose
value
3.4 3.6   
Maximum glucose
value
9.7 7.7   
Range of glucose
values
6.3 4.1   
Variability in blood
glucose values
    
Mean group coefficient
of variation b
18.0% 12.2%   
Smallest within-subject coefficient
of variation
6.2% 4.5%   
Greatest within-subject coefficient
of variation
33.7% 27.4%   
Number of hypoglycemic symptoms
reported by study participants
    0.36
0-1 discrete
symptoms
40% 60%   
2-3 discrete
symptoms
30% 15%   
4 or more discrete
symptoms
30% 25%   
  1. a p-value for the difference in mean glucose (Intervention day-Baseline day)
  2. b Coefficient of variation = (SD/mean)*100%