Table 2.

Odds ratios (OR) and 95% Confidence Intervals (95%CI) for in-hospital mortality

	OR (95%CI)
Delirium	3.98 (1.05–17.28)
Age	1.09 (0.98–1.21)
Male sex	3.08 (0.87–12.80)
CFS	1.31 (0.85–2.08)
Number of chronic diseases	1.14 (0.84–1.58)
Peripheral arterial oxygen saturation < 90% at admission	6.96 (2.12–26.57)

CFS=Clinical Frailty Scale