Figure 2

The restricted cubic spline of postoperative in-hospital mortality, ICU admission, and MINS after noncardiac surgery, according to preoperative LDH. Note: This figure presents the results of the restricted cubic spline analysis, depicting the relationship between preoperative LDH (Lactate Dehydrogenase) levels and three crucial postoperative outcomes: in-hospital mortality, ICU admission, and MINS (Myocardial Injury after Noncardiac Surgery). The x-axis represents the spectrum of preoperative LDH levels, capturing the linear patterns. The y-axis represents the odds ratios (OR) of outcomes. The curves showcase how the odds of each outcome change with varying LDH levels. The use of restricted cubic splines allows for a flexible representation of the relationship, capturing potential non-linear associations between LDH and postoperative outcomes.