LFT indicator | BMR predictive equation (kcal/m2/h) | ||||
---|---|---|---|---|---|
Harris-Benedict | Mifflin | FAO/WHO/UN | Henry-Rees | ||
FVC (L) | Normal (30) | 41.52 ± 1.83 | 38.70 ± 0.52 | 41.82 ± 2.43 | 38.17 ± 2.01 |
Low (68) | 41.06 ± 1.58 | 38.70 ± 0.37 | 41.12 ± 2.24 | 37.62 ± 1.81 | |
P value | 0.215 | 0.971 | 0.172 | 0.183 | |
FEV1 (L) | Normal (35) | 41.13 ± 1.72 | 38.63 ± 0.46 | 41.14 ± 2.38 | 37.61 ± 1.96 |
Low (63) | 41.24 ± 1.65 | 38.74 ± 0.39 | 41.44 ± 2.29 | 37.89 ± 1.84 | |
P value | 0.750 | 0.224 | 0.537 | 0.478 | |
FEF25 (L/s) | Normal (72) | 41.22 ± 1.66 | 38.71 ± 0.44 | 41.35 ± 2.30 | 37.80 ± 1.88 |
Low (26) | 41.15 ± 1.72 | 38.68 ± 0.36 | 41.30 ± 2.39 | 37.77 ± 1.93 | |
P value | 0.846 | 0.818 | 0.937 | 0.946 | |
FEF50 (L/s) | Normal (95) | 41.22 ± 1.66 | 38.70 ± 0.42 | 41.34 ± 2.32 | 37.79 ± 1.89 |
Low (3) | 41.02 ± 1.82 | 38.67 ± 0.40 | 41.28 ± 2.36 | 37.79 ± 1.89 | |
P value | 0.737 | 0.798 | 0.939 | 0.997 | |
FEF75 (L/s) | Normal (95) | 41.19 ± 1.64 | 38.70 ± 0.41 | 41.32 ± 2.26 | 37.78 ± 1.84 |
Low (3) | 41.53 ± 2.74 | 38.80 ± 0.78 | 41.87 ± 4.28 | 38.27 ± 3.59 | |
P value | 0.728 | 0.681 | 0.688 | 0.659 |