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Table 4 Day-time and nocturnal GV parameters in observed diabetic patients

From: Heart rate variability is associated with interstitial glucose fluctuations in type 2 diabetic women treated with insulin

Parameter

1st night# (1)

Day* (2)

2nd night* (3)

p1–2

p2–3

p1–3

Mean glucose (mmol/L)

5.9 (5.1; 6.2)

8.3 (7.2; 8.9)

6.5 (5.3; 7.0)

<0.0001

<0.0001

0.07

SD (mmol/L)

0.5 (0.4; 1.0)

1.5 (1.2; 1.9)

0.7 (0.5; 0.9)

<0.0001

<0.0001

0.87

CONGA2 (mmol/L)

5.3 (4.3; 6.6)

7.1 (6.2; 7.7)

5.7 (4.9; 6.4)

<0.0001

<0.0001

0.10

LI (mmol/L)2/h

0.4 (0.1; 0.7)

2.1 (1.5; 3.3)

0.4 (0.2; 0.9)

<0.0001

<0.0001

0.51

J-index (mmol/L)2

14.4 (9.4; 22.9)

30.1 (24.8; 37.5)

15.9 (10.7; 20.5)

<0.0001

<0.0001

0.07

LBGI

0.7 (0.02; 2.9)

0.4 (0; 1.4)

0.6 (0.01; 1.7)

0.003

0.02

0.39

HBGI

0.5 (0; 1.8)

3.9 (2.9; 6.3)

0.4 (0.01; 1.6)

<0.0001

<0.0001

0.72

MAGE (mmol/L)

3.6 (2.7; 4.4)

MAG (mmol/L/h)

0.9 (0.7; 1.4)

1.8 (1.5; 2.4)

0.9 (0.5; 1.3)

<0.0001

<0.0001

0.07

  1. The differences were assessed by matched pair Wilcoxon test
  2. CONGA2 2-h continuous overlapping net glycemic action, GV glucose variability, HBGI high blood glucose index, LBGI low blood glucose index, LI lability index, MAG mean absolute glucose, MAGE mean amplitude of glucose excursions, SD standard deviation
  3. * During Holter ECG
  4. #Before Holter ECG