Identifying critically ill patients who benefit the most from nutrition therapy: the development and initial validation of a novel risk assessment tool

Table 3 Correlation between NUTRIC candidate variables and ventilator-free days within 28 days

Variable	Spearman correlation	P values	Number of observations
Age	0.1891	< 0.0001	598
Baseline APACHE II score	0.3914	< 0.0001	598
Baseline SOFA	0.3857	< 0.0001	594
% Oral intake (food) in the week prior to enrollment	0.1676	0.0234	183
number of days in hospital prior to ICU admission	0.1387	0.0007	598
% of weight loss in the last three months	0.1828	0.0130	184
Baseline BMI	0.0581	0.1671	567
# of co-morbidities at baseline	0.0832	0.0420	598
Baseline CRP	0.1539	0.0002	589
Baseline Procalcitonin	0.3189	< 0.0001	582
Baseline IL-6	0.2908	< 0.0001	581

APACHE II, Acute Physiology and Chronic Health Evaluation; CRP, C-reactive protein; SOFA, Sequential Organ Failure Assessment, ICU: Intensive Care Unit.

ISSN: 1364-8535