[Retracted] Clinical Value of the Prognostic Nutrition Index in the Assessment of Prognosis in Critically Ill Patients with Stroke: A Retrospective Analysis

Table 1

Baseline characteristics of the study population.

Characteristics	All	PNI		value
		<39.7	≥39.7
Number of patients	940	361	719
Age, years				0.270
Sex, (%)				0.185
Male	424 (45.11)	153 (42.38)	271 (46.80)
Female	516 (54.89)	208 (57.62)	308 (53.20)
Ethnicity, (%)				0.832
White	669 (71.17)	261 (72.30)	408 (70.47)
Black	82 (8.72)	30 (8.31)	52 (8.98)
Other	189 (20.11)	70 (19.39)	119 (20.55)
Vital signs
SBP, mmHg				<0.001
DBP, mmHg				<0.001
MAP, mmHg				<0.001
Heart rate, beats/min				<0.001
Temperature, °C				<0.001
SpO2, %				<0.001
Respiratory rate, t/min				<0.001
Comorbidities
Heart failure, (%)	106 (11.28)	60 (16.62)	46 (7.94)	<0.001
Atrial fibrillation	282 (30.00)	128 (35.46)	154 (26.60)	0.004
CHD, (%)	163 (17.34)	61 (16.90)	102 (17.62)	0.777
Laboratory parameters
PNI				<0.001
Albumin, g/dl				<0.001
WBC, 10^9/l				0.284
Platelet, 10^9/l				<0.001
Lymphocyte, %				<0.001
Creatinine, mg/dl				<0.001
BUN, mg/dl				<0.001
Serum chloride, mg/dl				0.005
Anion gap, mg/dl				0.869
Scoring systems
SAPSII score				<0.001
SOFA score				<0.001
SIRS score				<0.001
Clinical outcomes, (%)
30-day mortality	244 (25.96)	114 (31.58)	130 (22.45)	<0.001
90-day mortality	244 (25.96)	144 (39.89)	151 (26.08)	<0.001
One-year mortality	295 (31.38)	170 (47.09)	179 (30.92)	<0.001
Length of stay in ICU				<0.001
Length of stay in hospital				<0.001

Abbreviations: PNI: prognostic nutritional index; SBP: systolic blood pressure; DBP: diastolic blood pressure; MAP: mean arterial pressure; SAPSII: simplified acute physiology score II; SOFA: sequential organ failure assessment; ICU: intensive care unit; WBC: white blood cell; CHD: coronary heart disease; BUN: blood urea nitrogen.