The Hip Functional Retrieval after Elective Surgery May Be Enhanced by Supplemented Essential Amino Acids

Table 1

Demographic, anthropometric variables, nutritional intakes, biohumoral variables, and clinical-functional test of the entire patient population at admission to our rehab institute.

	Admission	Discharge
Age (yrs)	66.58 ± 8.37	—	n.s.
M/F	24/36	—	n.s.
Body weight (kg)	74.5 ± 14.5	73.9 ± 14.5	n.s.
Body mass index (BMI) kg/m^2	26.6 ± 4.1	26.5 ± 4.05	n.s.
Time from index event (days)	17.05 ± 1.12	34 ± 2.0	n.s.
Length of stay (days)	16.9 ± 1.0	—	n.s.
Daily nutritional intakes
Energy (kcal)	2123 ± 325	—	n.s.
kcal/kg	28.5 ± 2.7	—	n.s.
Carbohydrates (g/kg)	3.9 ± 0.6	—	n.s.
Proteins (g/kg)	1.01 ± 0.3	—	n.s.
Lipids (g/kg)	1.01 ± 0.35	—	n.s.
Blood biohumoral variables
Glucose (mg/dL; n.v. 70–110)	84.6 ± 14.8	83.4 ± 12	n.s.
Urea (mg/dL; n.v. 16–38)	35.1 ± 8.8	34.6 ± 7.7	n.s.
Creatinine (mg/dL; n.v. 0.6–1.1)	0.74 ± 0.09	0.76 ± 0.12	n.s.
Erythrocyte sedimentation rate (mm/1 hr; n.v.: <12)	47.9 ± 25.9	40.4 ± 24.9	n.s.
C-reactive protein (mg/dL; n.v. <0.8)	20.4 ± 19.6	8.21 ± 11.1	n.s.
Hemoglobin (g/dL; n.v. >13 males and >12 females)	10.4 ± 1.09	11.3 ± 1.09	<0.02
Iron (g/dL; n.v. 40–130)	40.4 ± 19	48.5 ± 17.7	n.s.
Ferritin (ng/mL; n.v. 30–230 males and 10–120 females)	257.4 ± 201.8	235 ± 182	n.s.
Transferrin (mg/dL; n.v. 180–240)	203 ± 32	209 ± 30.6	n.s.
Albumin (g/dL; n.v. 3.5–5.5)	3.55 ± 0.37	3.79 ± 0.33	n.s.
Total protein (g/dL; n.v. 6–8)	6.24 ± 0.50	6.49 ± 0.47	n.s.
1-globulin (% total protein; n.v. 2.9–4.9)	6.96 ± 1.28	5.49 ± 0.71	n.s.
2-globulin (% total protein; n.v. 7.1–11.8)	12.45 ± 2.2	11.33 ± 2.06	n.s.
Clinical-functional test
Harris hip score	40.78 ± 2.70	73.15 ± 7.52	<0.0001

Data are expressed as mean ± standard deviation. Normal value.
Statistical analysis: paired -test; n.s. = not significant.
Wilcoxon signed rank test.