Implementation of enteral feeding protocol in an intensive care unit: Before-and-after study

Table 1 Admission characteristics and outcome data

	All	Before	After	P-value (before vs after)
Admission characteristics
n of pt	480	231	249
Male gender, n (%)	298 (62.1)	151 (65.4)	147 (59.0)	0.159
Surgical profile, n (%)	256 (53.3)	120 (51.9)	136 (54.6)	0.311
Abdominal surgery, n (%)	141 (29.4)	72 (31.2)	69 (27.7)	0.232
Age, mean (range)	61.7 (18-96)	61.5 (18-96)	62.0 (20-93)	0.684
BMI	27.8 (24.3-31.6)	27.7 (24.5-31.5)	27.8 (24.3-32.0)	0.791
APACHE II, points	16 (11.0-22.0)	16 (11.0-21.0)	16 (12.0-22.0)	0.948
SOFA, points	8 (6.0-10.0)	8 (6.0-10.0)	8 (7.0-10.0)	0.504
Vasopressor/inotrope, n (%)	407 (84.8)	195 (84.4)	212 (85.1)	0.462
Mechanical ventilation, n (%)	431 (89.8)	215 (93.1)	216 (86.7)	0.021
Outcomes
ICU stay (d)	13 (9-21)	13 (9-22)	13 (8-21)	0.978
Mechanical ventilation (d)	10 (6-17)	9 (6-18)	10 (6-17)	0.796
Ventilator pneumonia, n (%)	16 (3.3)	7 (3.0)	9 (3.6)	0.461
Urinary tract infection, n (%)	31 (6.5)	16 (6.9)	15 (6.0)	0.582
Bloodstream infection, n (%)	16 (3.3)	6 (2.6)	10 (4.0)	0.404
Cl difficile colitis, n (%)	14 (2.9)	6 (2.6)	8 (3.2)	0.450
ICU mortality	51 (10.6)	28 (12.1)	23 (9.2)	0.190
30-d mortality	121 (25.2)	64 (27.7)	52 (22.9)	0.134
60-d mortality	136 (28.3)	73 (31.6)	63 (25.3)	0.076
90-d mortality	157 (32.7)	86 (37.2)	71 (28.5)	0.026
120-d mortality	164 (34.2)	89 (38.5)	75 (30.1)	0.033

BMI: Body mass index; APACHE II: Acute Physiology and Chronic Health Evaluation II; SOFA: Sequential Organ Failure Assessment; ICU: Intensive care unit.