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TABLE 4

The effect of β-blockade on cardiac repolarization, measurements at 120 min

Euglycemia (− atenolol)Euglycemia (+ atenolol)PHypoglycemia (− atenolol)Hypoglycemia (+ atenolol)P
Glucose (mmol/l) 5.0 ± 0.02 5.0 ± 0.02 0.29 2.5 ± 0.02 2.5 ± 0.02 0.98 
Insulin (mU/l) 145 ± 7.4 156.6 ± 8.9 0.02 129 ± 9.6 156 ± 12.1 0.001 
Heart rate (bpm) 56 ± 2 50 ± 2 0.046 67 ± 3 51 ± 2 0.009 
Systolic BP (mmHg) 127 ± 2 112 ± 2 0.0001 133 ± 4 111 ± 4 0.0001 
Diastolic BP (mmHg) 73 ± 2 63 ± 1 0.001 65 ± 2 59 ± 2 0.001 
Euglycemia (− atenolol)Euglycemia (+ atenolol)PHypoglycemia (− atenolol)Hypoglycemia (+ atenolol)P
Glucose (mmol/l) 5.0 ± 0.02 5.0 ± 0.02 0.29 2.5 ± 0.02 2.5 ± 0.02 0.98 
Insulin (mU/l) 145 ± 7.4 156.6 ± 8.9 0.02 129 ± 9.6 156 ± 12.1 0.001 
Heart rate (bpm) 56 ± 2 50 ± 2 0.046 67 ± 3 51 ± 2 0.009 
Systolic BP (mmHg) 127 ± 2 112 ± 2 0.0001 133 ± 4 111 ± 4 0.0001 
Diastolic BP (mmHg) 73 ± 2 63 ± 1 0.001 65 ± 2 59 ± 2 0.001 

Data are means ± SE.

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