Table 1. Clinical and demographic characteristics of enrolled study participants (N=59).

Baseline Demographics
Age in years: mean (SD)	63.1 (16.8)
Male gender: n (%)	31 (52.5%)
Race, non-white: n (%)	13 (22.0%)
MICU length of stay in days: mean (SD)	5.0 (2.8)
Hours from admission to study enrollment: mean (SD)	31:45 (7:03)
Reason for MICU Admission: n (%)
Infection, sepsis: n (%)	18 (30.5%)
Respiratory failure: n (%)	17 (28.8%)
Gastrointestinal bleed: n (%)	6 (10.2%)
Liver disease: n (%)	2 (3.4%)
Pulmonary embolism: n (%)	2 (3.4%)
Heart failure: n (%)	1 (1.7%)
Other disease: n (%)	13 (22.0%)
Severity of Illness Parameters
APACHE II score: mean (SD)	19.4 (5.9)
Mechanical ventilation: n (%)	21 (35.6%)
Delirium, n (%)	23 (39.0%)

Abbreviation: SD, standard deviation