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Table 2 Mean glucose level, glycemic variability and glycemic events

From: Accuracy, reliability, feasibility and nurse acceptance of a subcutaneous continuous glucose management system in critically ill patients: a prospective clinical trial

 

Reference blood glucose

Comparative CGM reading

Number of comparative glucose readings

532

532

Readings per patient

28 [18/34]

28 [18/34]

Mean glucose level per patient (mg/dl)

133.8 [128.4/147.5]

133.7 [124.3/150.1]*

Glucose variability per patient measured in SD (mg/dl)

24.8 [19.9/35.2]

32.5 [25.2/42.2]§

Glycemic events: number and percentage of n = 19 patients

 Severe hypoglycemia (≤40 mg/dl)

1 (5.3 %)

1 (5.3 %)

 Moderate hypoglycemia (41–70 mg/dl)

1 (5.3 %)

10 (52.6 %)

 Euglycemia (71–149 mg/dl)

19 (100 %)

19 (100 %)

 Moderate hyperglycemia (150–179 mg/dl)

18 (94.7 %)

19 (100 %)

 Severe hyperglycemia (>179 mg/dl)

15 (78.9 %)

11 (57.9 %)

Glycemic events: number and percentage of n = 532 readings

158 (29.7 %)

188 (35.3 %)

 Severe hypoglycemia (≤40 mg/dl)

1 (0.2 %)

1 (0.2 %)

Chi-square test: p < 0.001 for crosstabulation see supplement

 Moderate hypoglycemia (41–70 mg/dl)

2 (0.4 %)

15 (2.8 %)

 Euglycemia (71–149 mg/dl)

374 (70.3 %)

344 (64.7 %)

 Moderate hyperglycemia (150–179 mg/dl)

96 (18.0 %)

101 (19 %)

 Severe hyperglycemia (>179 mg/dl)

59 (11.1 %)

71 (13.3 %)

  1. n = 19 patients
  2. Results are expressed as median with interquartile range or as absolute numbers with percentages
  3. SD standard deviation
  4. p = 1.0; § p = 0.002