Table 2

Descriptive statistics and results of hierarchical mixed linear models in characteristics of healthy and IR men

Healthy menIR menBaselineTimeTime* IR
PrePostPrePostP value
n28261613
Age (years)4849
Body mass (kg)83.6 (79.6 to 87.6)83.3 (79.3 to 87.3)96.3 (91.0 to 101.7)96.1 (90.8 to 101.5)<0.0010.220.78
BMI (kg/m2)26.1 (25.1 to 27.1)26.0 (25.0 to 27.0)30.4 (29.1 to 31.8)30.4 (29.0 to 31.8)<0.0010.180.69
Whole-body fat (%)*22.1 (20.5 to 23.9)21.1 (19.5 to 22.7)28.4 (25.6 to 31.5)27.6 (24.9 to 30.7)<0.001<0.0010.30
Abdominal SAT (kg)4.1 (3.5 to 4.7)4.0 (3.4 to 4.6)6.1 (5.18 to 7.18)6.0 (5.1 to 7.1)<0.0010.040.84
Visceral fat (kg)†2.5 (2.0 to 3.2)2.4 (1.9 to 3.08)4.3 (5.4 to 3.4)4.1 (3.1 to 5.1)0.0020.0020.48
Cholesterol (mmol/L)*4.92 (4.57 to 5.29)4.40 (4.08 to 4.74)4.71 (4.27 to 5.19)4.31 (3.90 to 4.77)0.44<0.0010.52
HDL cholesterol (mmol/L)*1.37 (1.25 to 1.50)1.27 (1.15 to 1.39)1.20 (1.06 to 1.35)1.09 (0.96 to 1.23)0.08<0.0010.66
LDL cholesterol (mmol/L)3.14 (2.85 to 3.43)2.78 (2.48 to 3.08)2.73 (2.34 to 3.12)2.58 (2.18 to 2.98)0.09<0.0010.16
Triglycerides (mmol/L)*0.94 (0.81 to 1.11)0.83 (0.70 to 0.98)1.70 (1.38 to 2.10)1.50 (1.19 to 1.90)<0.0010.080.96
f-FFA0.70 (0.62 to 0.77)0.62 (0.54 to 0.69)0.69 (0.60 to 0.78)0.68 (0.59 to 0.78)0.860.040.11
HbA1c (mmol/L)36.93 (35.19 to 38.66)34.72 (32.94 to 36.50)39.64 (37.33 to 41.96)37.65 (35.27 to 40.02)0.07<0.0010.81
HbA1c (%)5.5 (5.4 to 5.7)5.3 (5.2 to 5.5)5.8 (5.6 to 6.0)5.6 (5.5 to 5.8)0.070.0010.8
f-glucose (mmol/L)*5.44 (5.25 to 5.64)5.74 (5.52 to 5.96)7.20 (6.86 to 7.56)7.16 (6.80 to 7.55)<0.0010.150.80
f-insulin (mmol/L)*4.70 (3.75 to 5.90)5.85 (4.61 to 7.43)14.49 (10.72 to 19.57)13.58 (9.87 to 18.68)0.0010.370.10
M-value
(µmol/kg/min)
32.2 (26.6 to 39.0)35.5 (29.2 to 43.2)14.8 (11.4 to 19.2)19.2 (14.7 to 25.19)<0.0010.0010.1
VO2peak
(mL/kg/min)
34.2 (32.7 to 35.7)35.7 (34.2 to 35.7)29.4 (27.3 to 31.5)30.0 (27.9 to 32.1)<0.0010.0030.14
  • The p-value for “baseline” describes the baseline differences between the healthy (n=28) and IR (n=16) groups. “Time” shows all healthy and IR men after training. “Time*IR” demonstrates whether there is an interaction between the pre–post change and health status. All the data are presented as model-based means (95% CI). The values are model-based means and CIs translated into the original unit.

  • Bold values are statistically significant.

  • *Logarithmic transformation has been done to the variables to achieve the normal distribution.

  • †Square transformation to the variables to achieve the normal distribution.

  • BMI, body mass index; f-FFA, fasting free fatty acid; HbA1c, glycated hemoglobin; HDL, high-density lipoprotein; IR, insulin resistance; LDL, low-density lipoprotein; M-value, whole-body insulin sensitivity; SAT, subcutaneous adipose tissue; VO2peak, maximal aerobic capacity.