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Table 1 Demographics, Body Composition, Insulin, Glucose, and Mitochondrial Function of all Participants and Separated by Gender

From: Relationships between mitochondrial content and bioenergetics with obesity, body composition and fat distribution in healthy older adults

  All Female Male  
Mean ± SD Mean ± SD Mean ± SD P-value2
Age (years) 69.2 ± 3.7 69.2 ± 3.7 69.2 ± 3.8 0.97
BMI (kg/m2) 27.7 ± 5.1 26.3 ± 6.1 28.9 ± 3.8 0.22
Waist Circumference (cm) 90.7 ± 16.1 83.4 ± 18.0 97.4 ± 11.0 0.03
Waist/Hip ratio 0.9 ± 0.1 0.8 ± 0.2 0.9 ± 0.1 0.15
Total Fat Mass(kg) 28.6 ± 8.9 28.8 ± 10.9 28.3 ± 6.9 0.88
Total Lean Mass1 (kg) 7.14 ± 0.8 6.5 ± 0.5 7.8 ± 0.4 0.00
Percent Fat Mass 35.4 ± 6.9 39.5 ± 6.3 31.3 ± 4.8 0.00
Leg Fat Mass to Total Fat Mass ratio 0.3 ± 0.05 0.37 ± 0.05 0.30 ± 0.04 0.00
Total Thigh Fat (cm3) 647.0 ± 237.1 751.9 ± 256.5 550.2 ± 175.9 0.03
Thigh Subcutaneous Fat (cm3) 623.7 ± 226.4 727.5 ± 241.5 528.0 ± 168.4 0.02
Thigh Intermuscular Fat (cm3) 23.3 ± 15.9 24.4 ± 18.4 22.2 ± 13.9 0.74
Total Thigh Muscle (cm3) 648.4 ± 153.5 517.4 ± 86.0 769.4 ± 85.3 0.00
Thigh Intermuscular Fat/Total Thigh Fat Ratio 0.04 ± 0.02 0.03 ± 0.01 0.04 ± 0.02 0.27
HOMA-IR1 1.5 ± 0.5 1.3 ± 0.6 1.6 ± 0.5 0.12
Insulin (mIU/L)a 3.1 ± 1.0 2.7 ± 1.1 3.3 ± 0.9 0.14
Glucose (mmol/L) 5.1 ± 0.5 5.0 ± 0.4 5.3 ± 0.6 0.07
State 3 OCR (pmol/min/5 μg) 499.7 ± 200.3 459.5 ± 230.0 536.8 ± 169.2 0.35
State 4o OCR (pmol/min/5 μg) 123.1 ± 68.5 120.1 ± 68.5 125.8 ± 71.1 0.84
State 3u OCR (pmol/min/5 μg) 556.6 ± 315.2 487.5 ± 344.9 620.3 ± 283.8 0.30
Respiratory Control Ratio (RCR) 4.5 ± 1.3 4.0 ± 0.6 5.0 ± 1.6 0.06
Citrate Synthase Activity (μmol/min/mg) 175.1 ± 77.1 161.3 ± 82.4 190.2 ± 71.7 0.38
  1. BMI body mass index, OCR oxygen consumption rate, RCR respiratory control ratio
  2. aVariables were square-root transformed to achieve normal distribution, 2 Independent samples t-test between females (N = 12) and males (N = 11-13)