Table IV. MARS Basis Functions.
Shown are the basis functions (BF) for the MARS model for Dengue hemorrhagic fever. Bm, each individual basis function, am, coefficient of the basis function. (y)+, = max(0,y).
| Bm | Definition | am | Variable descriptor |
|---|---|---|---|
| BF1 | (IL-10 −1.15)+ | 5.83E-03 | IL-10 |
| BF3 | (20873 – Fibrinogen)+ | 5.42E-05 | Fibrinogen |
| BF5 | (437613 - Albumin)+ | 1.39E-06 | Albumin*1 |
| BF6 | (C4A – 385932)+ | −4.90E-06 | Complement 4A |
| BF8 | (C4A – 256959)+ | 3.25E-06 | Complement 4A |
| BF11 | (469259 – Albumin)+ | 2.48E-06 | Albumin*2 |
| BF17 | (122218 – TPM4)+ | 5.27E-06 | TPM4 |
| BF19 | (immunoglobulin gamma - 57130)+ | −1.35E-06 | Immunoglobulin gamma-chain, V region |
| BF23 | (657432 – Albumin)+ | −9.97E-07 | Albumin*3 |
Variable isoforms likely due to post-translational modification and/or proteolysis.
Reprinted with permission [2].