| ACS | American Chemical Society |
| ANOVA | analysis of variance |
| ATII | alveolar type II pneumocytes |
| AUC | area-under-receiver operating characteristic curve |
| CE | collision energy |
| DPCC | dipalmitoylphosphatidylcholine |
| FA | fatty acid |
| FC | fold-change |
| IL-6 | interleukin-6 |
| IL-8 | interleukin-8 |
| LysoPE | lysophosphatidylethanolamine |
| MCCV | Monte Carlo Cross Validation |
| PC | phosphatidylcholine |
| PCA | principal component analysis |
| PIS | product ion scanning |
| PLA2 | phospholipase A2 |
| PlcH | phospholipase C |
| ROC | receiver operating characteristic curve |
| RT | retention time |
| SM | sphingomyelins |
| SIRS | systemic inflammatory response syndrome |
| SVM | support vector machines |
| TCA | tricarboxylic acid |
| TNF-α | Tumor necrosis factor-α |
| UHPLC-ESI-QTOFMS | ultra-high-performance liquid chromatography-electrospray ionization-quadruple time-of-flight-mass spectrometry |
| VIP | variable importance in the projection |