Table 2.

Clinical and demographic characteristics in survivors and nonsurvivors

	Survivors (n = 832)	Non survivors (n = 539)	P Value
Age, years	50.1 ± 14.4	61.8 ± 15.8	< 0.001
Lactate (mEq/L)*	2.3 [1.8–2.8]	2.6 [2.1–3.3]	< 0.001
SAPS 3	49 [42–57.5]	64 [53–81]	< 0.001
Mortality risk**	15.9 [8.0 −30.5]	44.0 [22.1–75.0]	< 0.001
Comorbidities
CCI	0 [0–1]	1 [0–2]	< 0.001
Hypotension	342 (41.2)	477 (88.7)	< 0.001
Categories, number of patients Very Low	140 (16.8)	41 (7.6)	< 0.001
Low	183 (22.0)	82 (15.2)	< 0.001
Intermediate	251 (30.2)	151 (28.0)	< 0.001
High	258 (31.0)	265 (49.2)	< 0.001
Lower	323 (38.8)	123 (22.8)	< 0.001
Higher	509 (61.2)	416 (77.2)	< 0.001

CCI Charlson Comorbidity Index, SAH Systemic Arterial Hypertension, SAPS 3 Simplified Acute Physiology Score 3, DM Diabetes Mellitus, COPD Chronic Obstructive Pulmonary Disease, LOS Hospital Length of Stay. Numbers are presented as mean ± standard deviation, median with interquartile ranges [IQR] or n (%). * Median [IQR] levels of serum lactate (higher value in the first 48 h).** Calculated using the SAPS 3 score model