Table 5.

Complete case analysis after adjustment for SOFA, sex and age, HR for risk of ICU death for new classification of CFS

All patients	aHR	P-value
CFS 2–3 vs CFS 1	0.94 (0.71–1.24)	0.65311
CFS 4–5 vs CFS 1	1.01 (0.75–1.36)	0.95538
CFS 6 vs CFS 1	1.2 (0.91–1.57)	0.189
CFS 7 + vs CFS 1	1.43 (1.1–1.86)	0.00842
Patients ≥ 65 years	aHR	P-value
CFS 2–3 vs CFS 1	1.16 (0.94–1.43)	0.15898
CFS 4–5 vs CFS 1	1.28 (1.06–1.55)	0.00995
CFS 6 vs CFS 1	1.56 (1.32–1.84)	< 0.001
CFS 7 + vs CFS 1	1.78 (1.49–2.12)	< 0.001