Fig. 4

Kaplan–Meier survival analysis of elderly ICU patients with differing AST/ALT ratios. The ratio spans the following range: Low 0.075–1.043, Middle 1.043–1.582, High 1.583–4.687.
Kaplan–Meier survival analysis of elderly ICU patients with differing AST/ALT ratios. The ratio spans the following range: Low 0.075–1.043, Middle 1.043–1.582, High 1.583–4.687.