Title Page
Contents
ABSTRACT 9
Ⅰ. Introduction 11
Ⅱ. Materials and Methods 13
2.1. Electronic medical records 13
2.1.1. Inclusion criteria 13
2.1.2. Clinical diagnosis 14
2.1.3. Case outcomes 14
2.2. Assessment of disease severity 15
2.3. Acid-base variables 16
2.3.1. Measured variables (Electrolyte and metabolite analyses) 16
2.3.2. Calculated variables (acid-base status calculation) 17
2.4. Statistical analyses 20
Ⅲ. Results 21
3.1. Clinical data 21
3.1.1. Data distribution 21
3.1.2. Disease severity 22
3.2. Comparison of variables 26
3.3. Correlation of variables and mortality 29
Ⅳ. Discussion 31
Ⅴ. Conclusion 40
References 41
Abstract (in Korean) 48
Table 1. Formulas for calculated variables. 18
Table 2. Overall clinical information, including patient signalment, length of hospitalization, and disease severity 23
Table 3. Overall clinical diagnosis 25
Table 4. Comparisons of mean ± standard deviation or median (range) measured and calculated acid-base values between survivors and non-survivors. 27
Figure 1. Receiver operating characteristic (ROC) curve analysis for mortality prediction based on acid-base variables. 30