Table 2.
LLN using NHANESIII, ECSC93, and GLI12 reference equations
| NHANESIII | ECSC93 | GLI12 | |||
|---|---|---|---|---|---|
| n | Absolute values | Mean (SD) | Mean (SD) | Mean (SD) | |
| Total | |||||
| FVC (l) | 260 | 1.9 (0.71) | 1.6 (0.56) | 1.3 (0.61) | 1.7 (0.46) |
| FEV1 (l) | 260 | 1.4 (0.54) | 1.1 (0.43) | 0.9 (0.46) | 1.3 (0.32) |
| FEV1/FVC (%) | 260 | 70.9 (10.47) | 62.7 (1.57) | 71.9 (7.47) | 61.5 (1.75) |
| Female | |||||
| FVC (l) | 181 | 1.7 (0.51) | 1.3 (0.36) | 0.95 (0.33) | 1.5 (0.20) |
| FEV1 (l) | 181 | 1.2 (0.42) | 0.9 (0.28) | 0.7 (0.30) | 1.1 (0.16) |
| FEV1/FVC (%) | 181 | 72.03 (9.75) | 63.3 (1.24) | 76.9 (0.11) | 62.0 (1.40) |
| Male | |||||
| FVC (l) | 79 | 2.5 (0.80) | 2.1 (0.57) | 2.0 (0.49) | 2.3 (0.35) |
| FEV1 (l) | 79 | 1.7 (0.64) | 1.5 (0.46) | 1.4 (0.41) | 1.7 (0.28) |
| FEV1/FVC (%) | 79 | 68.3 (11.63) | 61.5 (1.57) | 60.7 (1.36) | 60.3 (1.88) |