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Table 2 Changes in glucose, insulin and haemodynamic parameters following an oral glucose load. Responses to glucose loading were quantified either as the maximum response during the 120 minutes observation period, as the area under the response profile (AUC) from 15 to 120 minute (comp. Figure 1, 2) or as insulinogenic index.

From: Metabolic and haemodynamic effects of oral glucose loading in young healthy men carrying the 825T-allele of the G protein β3 subunit

Max response

CC

CT/TT

P-value

95% CI

Blood glucose [mg dl-1]

58.6 ± 6.6

57.0 ± 5.3

0.849

-15.7/18.9

Serum insulin [μU dl-1]

95.9 ± 16.9

118.3 ± 27.1

0.510

-92.4/47.4

Heart rate [per min]

8.7 ± 1.4

9.0 ± 0.7

0.834

-3.4/2.7

Systolic blood pressure [mm Hg]

6.5 ± 1.0

8.3 ± 0.8

0.173

-4.5/0.9

Diastolic blood pressure [mm Hg]

-4.2 ± 1.3

-3.8 ± 0.9

0.793

-3.6/2.8

Stroke volume [ml]

15.2 ± 0.8

21.0 ± 3.0

0.090

-12.7/1.0

Cardiac output [l min-1]

1.2 ± 0.2

2.0 ± 0.2

0.071

-1.3/-0.2

Total peripheral resistance [dyne sec cm-5]

-300 ± 64.4

-289 ± 33.8

0.880

-159/137

Total electromechanical systole [ms]

-16.3 ± 2.2

-17.1 ± 1.8

0.772

-5.0/6.7

AUC response

CC

CT/TT

P-value

95% CI

Blood glucose [mg dl-1]

3184 ± 740

3136 ± 452

0.954

-1694/1792

Serum insulin [μU dl-1]

7388 ± 1425

7223 ± 1219

0.930

-3722/4052

Heart rate [per min]

425 ± 122

582 ± 71

0.259

-439/125

Systolic blood pressure [mm Hg]

521 ± 90

752 ± 73

0.058

-472/8

Diastolic blood pressure [mm Hg]

367 ± 116

302 ± 87

0.346

-435/159

Stroke volume [ml]

836 ± 195

764 ± 202

0.800

-517/662

Cardiac output [l min-1]

88 ± 19

104 ± 12

0.478

-63/31

Total peripheral resistance [dyne sec cm-5]

1383 ± 122.4

1216 ± 77.3

0.273

-21877/6536

Total electromechanical systole [ms]

-1242 ± 259

-1499 ± 172

0.408

-376/888

 

CC

CT/TT

P-value

95% CI

Insulinogenic index

2.43 ± 0.87

1.96 ± 0.49

0.628

-2.468/1.525

  1. Data are mean ± SEM. P-values determined in a two-tailed unpaired t-test between CC-genotypes (data column 1) and combined CT/TT-genotypes (data column 2). 95% CI: 95% confidence interval.