The Impact of Serum Glucose on the Predictive Value of Serum Lactate for Hospital Mortality in Critically Ill Surgical Patients

Table 1

Patient characteristics, reason for ICU admission and comorbidities.

Variable	All patients; ()	Hospital survivors; ()	Hospital nonsurvivors; ()	value
Age	61.44	60.87	63.71	0.306
Male	62.8% (184)	62.7% (147)	62.8% (37)	0.988
Reason for ICU admission
Cardiovascular disease	17.4% (51)	15.4% (36)	25.4% (15)	0.069
Gastrointestinal disease	27.6% (81)	25.6% (60)	35.6% (21)	0.127
Neurological disease	14.7% (43)	13.7% (32)	18.6% (11)	0.335
Respiratory disease	26.3% (77)	25.6% (60)	28.8% (17)	0.621
Surgery	34.5% (101)	34.6% (81)	33.9% (20)	0.918
Sepsis	13.7% (40)	14.1% (33)	11.9% (7)	0.655
Trauma	10.6% (31)	11.5% (27)	6.8% (4)	0.288
Other	6.5% (19)	5.1% (12)	11.9% (7)	0.060
Comorbidities
ACS	10.6% (31)	9.4% (22)	15.3% (9)	0.192
AKI	16.7% (49)	17.1% (40)	15.3% (9)	0.735
ALI	10.6% (31)	10.3% (24)	11.9% (7)	0.720
ARDS	13.3% (39)	12.4% (29)	16.9% (10)	0.357
Cirrhosis	8.9% (26)	9.4% (22)	6.8% (4)	0.572
Diabetes mellitus	14.0% (41)	11.5% (27)	23.7% (14)	0.016
DIC	1.4% (4)	1.3% (3)	1.7% (1)	0.807
Drinking	22.5% (69)	25.6% (60)	10.2% (9)	0.093
Hypertension	28.3% (83)	29.1% (68)	25.4% (15)	0.580
Malignant disease	22.1% (65)	21.8% (51)	23.7% (14)	0.749
MOF	16.7% (49)	14.1% (33)	27.1% (16)	0.017
Smoking	32.4% (95)	34.2% (80)	25.4% (15)	0.199
Stroke	13.0% (38)	12.8% (30)	13.6% (8)	0.880
APACHE II at ICU admission	16.55	15.46	20.90	<0.001
Glucose level at ICU admission	8.02	8.06	7.85	0.505
Lactate level at ICU admission	3.82	2.81	5.64	<0.001
qSOFA score at ICU admission	1.29	1.06	1.39	0.008
SOFA score at ICU admission	8.02	7.33	10.76	<0.001
Length of ICU stay	14.62	13.91	17.42	0.355

values generated by either Mann–Whitney or test. ACS: acute coronary syndrome; AKI: acute kidney injury; ALI: acute lung injury; ARDS: acute respiratory distress syndrome; DIC: disseminated intravascular coagulation; IHD: ischemic heart disease; APACHE II: Acute Physiology and Chronic Health Evaluation II; SOFA: Sequential Organ Failure Assessment; qSOFA: Quick Sequential Organ Failure Assessment.