Impaired insulin-stimulated myocardial glucose metabolic rate is associated with reduced estimated myocardial energetic efficiency in subjects with different degrees of glucose tolerance

Table 2 Left ventricular geometry and energetic efficiency parameters of the study subjects stratified into tertiles according to myocardial MrGlu values

	Myocardial MrGlu Tertile 1 Range 0.1–16.3 μmol/min/100 g (1)	Myocardial MrGlu Tertile 2 Range 16.4–26.29 μmol/min/100 g (2)	Myocardial MrGlu Tertile 3 Range 26.3–43 μmol/min/100 g (3)	P (1 vs 2)	P (1 vs 3) §	P (2 vs 3)§
LV end-systolic volume (LVESV) (ml)	38.3 ± 15	43.8 ± 11	40.9 ± 14	0.2	0.8	0.3
LV end-diastolic volume (LVEDV) (ml)	111 ± 31	121 ± 22	112 ± 23	0.2	0.6	0.5
Interventricular septal thickness (IVS) (cm)	1.13 ± 0.13	1.11 ± 0.12	1.05 ± 0.14	0.5	0.2	0.2
Posterior wall thickness (PWT) (cm)	0.87 ± 0.11	0.86 ± 0.12	0.84 ± 0.15	0.8	0.4	0.6
LV mass index (LVMI) (g/m²)	85.3 ± 22	93.1 ± 16	82.01 ± 18	0.1	0.6	0.07
Myocardial MEEi (ml/sec*g-1)	0.31 ± 0.05	0.37 ± 0.12	0.42 ± 0.14	0.1	0.02	0.4
Myocardial oxygen consumption (MVO2)(mmHgbpm*)	10,153 ± 1375	8516 ± 1667	7816 ± 1229	0.006	< 0.0001	0.1

Data are means ± SD, unless otherwise indicated. Comparisons between the three groups were performed using a general linear model with post hoc Fisher's least significant difference correction for pairwise comparisons
^§P values refer to results after analyses with adjustment for age, gender and BMI

ISSN: 1475-2840