Table 1 Variables and their assignments
Factors | Abbreviations | Assignments/units |
|---|---|---|
Age | Age(X1) | continuous variable, year |
Weight | Weight(X2) | continuous variable, Kg |
Estimated glomerular filtration rate | EGFR(X3) | continuous variable, ml/min |
Blood urea nitrogen | BUN(X4) | continuous variable, mmol/L |
Serum Albumin | ALB(X5) | continuous variable, g/L |
White Blood Cell Count | WBC(X6) | continuous variable,×109/L |
D-dimer | DD(X7) | continuous variable, mg/L |
C-Reactive Protein | CRP(X8) | continuous variable, mg/L |
Procalcitonin | PCT(X9) | continuous variable, ng/ml |
Neutrophil-to-Lymphocyte Ratio | NLR(X10) | continuous variable, dimensionless |
Lymphocyte count | LYM(X11) | continuous variable, ×109/L |
Body Temperature | Temp(X12) | >=37.3 °C = 1; <37.3 °C = 0 |
Sex | Sex(X13) | Female = 0; Male = 1 |
Respiratory Failure | RF(X14) | YES = 1; NO = 0 |
Recent hospitalization history(in 1 month) | RH(X15) | YES = 1; NO = 0 |
Diabetes Mellitus | DM(X16) | YES = 1; NO = 0 |
Active tumor | CA(X17) | YES = 1; NO = 0 |
Chronic Obstructive Pulmonary Disease | COPD(X18) | YES = 1; NO = 1 |
Bronchiectasis | BE(X19) | YES = 1; NO = 0 |
Interstitial lung disease | ILD(X20) | YES = 1; NO = 0 |
Cerebrovascular disease | CVD(X21) | YES = 1; NO = 0 |
Heart Failure | HF(X22) | YES = 1; NO = 0 |
Outpatient treatment history before admission | OPTH (X23) | YES = 1; NO = 0 |
Dosage of Piperacillin/Tazobactam | TZPD(X24) | 2.5 g, Q8H = 1; 3.125 g, Q8H = 0 |
Combining erythromycin | Ery(X25) | YES = 1; NO = 0 |
Combining Nemonoxacin | NXC(X26) | YES = 1; NO = 0 |
Clinical outcomes (Result) | Failure = 1; Success = 0 | |