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Table 2 Bland-Altman limit analysis for comparison between the VH_MC and RMR_WRIC for ethanol and propane combustion along with subject metabolic testing

From: Evaluation of a new whole room indirect calorimeter specific for measurement of resting metabolic rate

Comparison Parameter Bias 95 % CI Limits of agreement Proportional bias (p < 0.05)
Ethanol Vs. VH_MC1 RMR3 (kcal/d) 337.6 ± 192.6 2.7 - 672.5 −47.6 - 722.8 <0.01
RQ4 (VO2/VCO2) 0.01 ± 0.01 0.00 - 0.02 0.00 - 0.020 NS
VO25 (l/day) 45.0 ± 35.6 0.2 - 89.8 −26.2 - 116.2 <0.01
VCO26 (l/day) 32.1 ± 23.9 0.2 - 64.0 −15.7 - 79.9 <0.01
Propane vs.2 RMR_WRIC RMR (kcal/d) 68.7 ± 72.8 −0.3 - 137.7 −76.9 - 214.3 NS
RQ (VO2/VCO2) −0.01 ± 0.01 0.00 - 0.02 −0.030 - 0.010 NS
VO2 (l/day) 7.49 ± 15.90 0.00 - 15.00 −24.31 - 39.29 NS
VCO2 (l/day) −3.38 ± 12.00 −6.80 - 0.00 −27.38 - 20.62 NS
VH_MC vs. RMR_WRIC8 RMR (kcal/d) 194.9 ± 170.2 1.20 - 388.6 −145.5 - 535.3 <0.01
RQ (VO2/VCO2) 0.02 ± 0.05 0.00 - 0.04 −0.08 - 0.12 NS
VO2 (l/day) −44.20 ± 41.90 −88.4 - 0.00 −128.00 - 39.6 <0.05
VCO2 (l/day) −35.30 ± 30.64 −70.3 - -0.30 −96.5 - 25.90 <0.01
  1. 1 VH_MC Ventilated hood connected to a metabolic cart
  2. 2 vs. Verses
  3. 3 RMR Resting metabolic rate
  4. 4 RQ Respiratory quotient
  5. 5 VO 2 Ventilation rate of oxygen
  6. 6 VCO 2 Ventilation rate of carbon dioxide
  7. 7 RMR_WRIC Resting metabolic rate whole room indirect calorimeter