Table 2 Loading weights of all variables for the first and second components in PCA and PLS-DA analysis
Variables | PCA | PLS-DA | ||
|---|---|---|---|---|
M1.p (1) | M1.p (2) | M1.w*c (1) | M1.w*c (2) | |
Plasma miRNA 106b | 0.336298 | 0.181996 | 0.413691 | 0.274102 |
Plasma miRNA 93 | 0.292204 | 0.186027 | 0.358499 | 0.222264 |
Plasma miRNA 25 | 0.300041 | 0.316393 | 0.364789 | 0.215167 |
Tumor miRNA 106b | 0.338569 | − 0.0933063 | 0.44881 | 0.0596236 |
Tumor miRNA 93 | 0.326162 | 0.0910954 | 0.417487 | 0.308985 |
Tumor miRNA 25 | 0.324518 | 0.211675 | 0.407781 | 0.412313 |
Age | − 0.0350196 | − 0.170789 | − 0.073876 | − 0.260368 |
Sex | 0.0664001 | 0.040216 | 0.120416 | 0.160827 |
Location | − 0.0172643 | 0.252373 | − 0.0127198 | 0.189534 |
Bormann type | 0.132391 | − 0.593899 | 0.142949 | − 0.68586 |
Tumor size | 0.201582 | − 0.114009 | 0.284582 | − 0.299471 |
Histological type | 0.137613 | − 0.367822 | 0.202056 | − 0.151812 |
T stage | 0.2992 | − 0.32468 | 0.460746 | − 0.116775 |
N stage | 0.29889 | 0.189293 | 0.523468 | 0.458886 |
TNM stage | 0.351118 | − 0.162562 | 0.592729 | 0.320023 |