a) | |||||||||
---|---|---|---|---|---|---|---|---|---|
All subjects (N=500) |
Men (N=239) |
Women (N=261) |
|||||||
ECSC | GLI |
Local study |
ECSC | GLI |
Local study |
ECSC | GLI |
Local study |
|
FEV1 | |||||||||
Lin’s coefficient ρc | 0.917 | 0.910 | 0.920 | 0.838 | 0.829 | 0.844 | 0.886 | 0.874 | 0.888 |
Average difference* | -0.067 | 0.126 | 0.000 | -0.053 | 0.145 | 0.000 | -0.079 | 0.108 | -0.000 |
Pearson's coef. r | 0.921 | 0.920 | 0.923 | 0.849 | 0.849 | 0.854 | 0.893 | 0.889 | 0.893 |
R2 | 0.848 | 0.846 | 0.852 | 0.721 | 0.722 | 0.730 | 0.798 | 0.790 | 0.798 |
FVC | |||||||||
Lin’s coefficient ρc | 0.887 | 0.855 | 0.893 | 0.759 | 0.722 | 0.789 | 0.809 | 0.762 | 0.822 |
Average difference* | -0.055 | 0.297 | -0.027 | 0.006 | 0.324 | -0.030 | -0.110 | 0.273 | -0.025 |
Pearson's coef. r | 0.890 | 0.893 | 0.898 | 0.788 | 0.792 | 0.807 | 0.827 | 0.831 | 0.833 |
R2 | 0.792 | 0.798 | 0.807 | 0.622 | 0.628 | 0.652 | 0.684 | 0.691 | 0.694 |
FEV1/FVC | |||||||||
Lin’s coefficient ρc | 0.097 | 0.139 | 0.170 | 0.089 | 0.102 | 0.053 | 0.077 | 0.123 | 0.153 |
Average difference* | -4.919 | -3.411 | 0.000 | -4.033 | -2.739 | -0.000 | -5.731 | -4.025 | 0.000 |
Pearson's coef. r | 0.193 | 0.249 | 0.305 | 0.164 | 0.167 | 0.166 | 0.165 | 0.243 | 0.288 |
R2 | 0.037 | 0.062 | 0.093 | 0.027 | 0.028 | 0.027 | 0.027 | 0.059 | 0.083 |
*Predicted – measured | |||||||||
b) | |||||||||
All subjects (N=124) |
Men (N = 84) |
Women (N = 40) |
|||||||
ECSC vs. Local eqs. |
GLI vs. Local eqs. |
ECSC vs. GLI eqs. |
ECSC vs. Local eqs. |
GLI vs. Local eqs. |
ECSC vs. GLI eqs. |
ECSC vs. Local eqs. |
GLI vs. Local eqs. |
ECSC vs. GLI eqs. |
|
FEV1 | |||||||||
Lin’s coefficient ρc | 0.989 | 0.987 | 0.967 | 0.988 | 0.976 | 0.955 | 0.962 | 0.983 | 0.916 |
Average difference* | -0.089 | 0.083 | -0.172 | -0.071 | 0.088 | -0.160 | -0.127 | 0.071 | -0.197 |
Pearson's coef. r | 0.998 | 0.995 | 0.996 | 0.997 | 0.990 | 0.997 | >0.999 | 0.995 | 0.993 |
R2 | 0.996 | 0.989 | 0.992 | 0.994 | 0.979 | 0.993 | >0.999 | 0.990 | 0.987 |
FVC | |||||||||
Lin’s coefficient ρc | 0.988 | 0.932 | 0.937 | 0.979 | 0.869 | 0.912 | 0.965 | 0.875 | 0.779 |
Average difference* | -0.011 | 0.287 | -0.298 | 0.047 | 0.299 | -0.252 | -0.134 | 0.262 | -0.396 |
Pearson's coef. r | 0.991 | 0.987 | 0.992 | 0.982 | 0.972 | 0.995 | 0.995 | 0.983 | 0.993 |
R2 | 0.981 | 0.974 | 0.985 | 0.965 | 0.944 | 0.989 | 0.990 | 0.967 | 0.986 |
FEV1/FVC | |||||||||
Lin’s coefficient ρc | 0.093 | 0.190 | 0.713 | 0.107 | 0.160 | 0.730 | 0.012 | 0.061 | 0.639 |
Average difference* | -6.317 | -4.466 | -1.852 | -5.707 | -4.050 | -1.657 | -7.599 | -5.340 | -2.259 |
Pearson's coef. r | 0.499 | 0.666 | 0.953 | >0.999 | 0.969 | 0.969 | 0.092 | 0.309 | 0.960 |
R2 | 0.249 | 0.443 | 0.909 | >0.999 | 0.939 | 0.938 | 0.008 | 0.096 | 0.922 |
*Differences calculated as ECSC-Local Eqs., GLI-Local Eqs. and ECSC-GLI, respectively |