Table 1.
Descriptive statistics for all metabolic variables measured with each technique
| N | Mean | Min | Max | ± SD | SE | Mean | Min2 | Max3 | ± SD | SE | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VH_MC1 | Calculated from ethanol stoichiometry | Derived from ethanol combustion | |||||||||
| Burn rate (g/min) | 10 | 0.193 | 0.106 | 0.272 | 0.054 | 0.017 | ----- | ----- | ----- | ----- | ----- |
| RMR4 (kcal/d) | 10 | 1969.1 | 1083.7 | 2780.9 | 554.2 | 175.3 | 1631.5 | 993.3 | 2131.2 | 406.0 | 128.4 |
| RQ5 (VO2/VCO2) | 10 | 0.67 | 0.67 | 0.67 | 0.001 | 0.002 | 0.66 | 0.65 | 0.67 | 0.007 | 0.002 |
| VO2 6 (L/day) | 10 | 405.2 | 223.0 | 572.2 | 114.0 | 36.1 | 360.2 | 218.9 | 472.3 | 89.6 | 28.3 |
| VCO2 7 (L/day) | 10 | 270.1 | 148.7 | 381.5 | 76.0 | 24.0 | 238.0 | 141.1 | 312.5 | 60.3 | 19.0 |
| RMR_WRIC8 | Calculated from propane stoichiometry | Derived from propane combustion | |||||||||
| Burn rate (g/min) | 10 | 0.150 | 0.122 | 0.198 | 0.025 | 0.008 | ----- | ----- | ----- | ----- | ----- |
| RMR (kcal/d) | 10 | 2566.1 | 2094.1 | 3398.7 | 429.6 | 135.8 | 2497.5 | 1997.0 | 3402.8 | 445.2 | 140.8 |
| RQ (VO2/VCO2) | 10 | 0.60 | 0.60 | 0.60 | 0.00 | 0.00 | 0.61 | 0.59 | 0.62 | 0.01 | 0.00 |
| VO2 (L/day) | 10 | 548.0 | 447.2 | 725.8 | 91.2 | 29.0 | 540.5 | 433.2 | 735.2 | 95.6 | 30.2 |
| VCO2 (L/day) | 10 | 328.8 | 268.3 | 435.5 | 55.0 | 17.4 | 332.2 | 261.9 | 456.8 | 62.2 | 19.7 |
| Subjects | Measured by VH_MC | Measured by RMR_WRIC | |||||||||
| RMR (kcal/d) | 40 | 1701.7 | 964.8 | 2390.4 | 322.5 | 51.0 | 1896.6 | 1123.2 | 2865.6 | 392.4 | 62.0 |
| RQ (VO2/VCO2) | 40 | 0.81 | 0.73 | 0.93 | 0.04 | 0.01 | 0.83 | 0.75 | 0.97 | 0.05 | 0.01 |
| VO2 (l/day) | 40 | 352.4 | 199.1 | 510.0 | 68.6 | 10.9 | 396.6 | 230.0 | 595.9 | 81.2 | 12.8 |
| VCO2 (l/day) | 40 | 284.4 | 162.0 | 373.7 | 51.6 | 8.2 | 319.7 | 195.7 | 470.0 | 65.1 | 10.3 |
1 VH_MC Ventilated hood connected to a metabolic cart
2 Min Minimum value
3 Max Maximum value
4 RMR Resting metabolic rate
5 RQ Respiratory quotient
6 VO 2 Ventilation rate of oxygen
7 VCO 2 Ventilation rate of carbon dioxide
8 RMR_WRIC Resting metabolic rate whole room indirect calorimeter