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Table 2 Variables measured by the continuous glucose monitoring system and plaque characteristics detected by optical coherence tomography

From: The impact of vildagliptin on the daily glucose profile and coronary plaque stability in impaired glucose tolerance patients with coronary artery disease: VOGUE—A multicenter randomized controlled trial

Variables

Change in the vildagliptin group (6 months—baseline)

Change in the control group (6 months—baseline)

Difference between mean change

Difference

95% confidence interval

p Value

Variables measured by the continuous glucose monitoring system

 

(n = 10)

(n = 10)

   

MAGE, mg/dl

− 20.2 ± 18.0

2.6 ± 12.7

− 18.8

− 30.8 to − 6.8

0.0064

Time in hyperglycemia, hours

− 7.9 ± 14.1

− 0.8 ± 10.2

− 3.7

− 11.4 to 3.9

0.350

Time in hypoglycemia, hours

− 0.8 ± 3.5

4.7 ± 15.4

− 6.1

− 15.3 to 3.1

0.209

Mean BS, mg/dl

− 3.3 ± 17.3

0.4 ± 13.3

0.3

− 9.5 to 10.0

0.960

Maximum BS, mg/dl

− 36.3 ± 65.8

1.2 ± 37.6

− 11.5

− 43.1 to 20.0

0.482

Minimum BS, mg/dl

5.5 ± 24.8

7.6 ± 23.1

4.8

− 10.3 to 20.0

0.538

HOMA R

0.6 ± 0.7

0.1 ± 1.0

0.5

− 0.3 to 1.3

0.243

Plaque characteristics detected by optical coherence tomography

 

(n = 22)

(n = 25)

   

MLA, mm2

0.62 ± 1.94

− 0.29 ± 0.65

0.99

− 0.26 to 2.23

0.120

Lipid length, mm

− 0.10 ± 1.40

− 0.52 ± 2.37

0.03

− 1.28 to 1.34

0.963

Lipid arc, °

− 9.00 ± 25.57

15.87 ± 16.82

− 22.82

− 40.56 to − 5.09

0.017

Minimum FCT, μm

35.75 ± 50.80

− 15.19 ± 25.02

42.73

15.34 to 70.12

0.0022

  1. Mean ± standard deviation (n) for continuous variables
  2. Time in hyperglycemia was defined as the time when blood glucose levels were above 140 mg/dl. Time in hypoglycemia was defined as the time when blood glucose levels were under 70 mg/dl
  3. BS = blood sugar; FCT = fibrous cap thickness; HOMA R = homeostasis model assessment ratio; MAGE = mean amplitude of glycemic excursion; MLA = minimum lumen area