The Anion Gap and Mortality in Critically Ill Patients with Hip Fractures

Table 3

HR (95% CIs) for all-cause mortality across groups of AG.

	Model A		Model B		Model C
	HR (95% CIs)	P value	HR (95% CIs)	P value	HR (95% CIs)	P value
30-day all-cause mortality
<12.5	1.0		1.0		1.0
≥12.5	1.82 (1.11, 2.99)	0.0170	1.71 (1.04, 2.82)	0.0335	1.70 (1.02, 2.82)	0.0433
90-day all-cause mortality
<12.5	1.0		1.0		1.0
≥12.5	1.63 (1.08, 2.47)	0.0201	1.49 (1.05, 2.26)	0.0391	1.50 (1.01, 2.34)	0.0458

Model A covariates were adjusted for nothing; model B covariates were adjusted for age, sex and race; model c covariates were adjusted for age, sex, race, SBP, DBP, WBC, heart failure, serum chloride.