Comparison of predicted values for individuals using available transfer factor of the lung for carbon monoxide (TLCO) reference values
| First author, year [reference] | TLCO mmol·min−1·kPa−1 | ||
| 178-cm, 64-year-old male | 178-cm, 20-year-old male | 150-cm, 10-year-old male | |
| GLI, 2017 | 9.2 | 10.9 | 6.4 |
| Crapo, 1981 [16] | 11.3 | 14.5 | |
| Miller, 1983 [19] | 9.2 | 12.6 | |
| Roca, 1990 [17] | 10.3 | 13.3 | |
| Gutierrez, 2004 [28] | 8.3 | 10.5 | |
| Thompson, 2008 [26] | 9.3 | 10.8 | |
| Koopman, 2011 [22] | 6.4 | ||
| Kim, 2012 [23] | 6.0 | ||
The list of equations is not meant to be comprehensive, rather it provides a range of differences that might be expected. GLI: Global Lung Function Initiative.