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Table 1 Clinical and biochemical characteristics of included patients at baseline

From: Supplementation of enteral nutritional powder decreases surgical site infection, prosthetic joint infection, and readmission after hip arthroplasty in geriatric femoral neck fracture with hypoalbuminemia

  Control Nutr. supple. Statistics
Gender, male/% 71/44.1 68/46.9 χ2 = 0.24, P = 0.62
Age, years 78.2 ± 6.7 77.6 ± 6.0 t = − 1.80, P = 0.07
Weight, kg 56.50 ± 8.70 58.25 ± 8.30 t = − 1.57, P = 0.12
Body mass index, kg/m2 21.3 ± 2.0 21.6 ± 2.1 t = 0.85, P = 0.39
Serum albumin concentration, g/dL 3.24 ± 0.12 3.23 ± 0.12 t = 0.67, P = 0.51
Total lymphocyte count (TLC), /dL 1463 ± 171 1481 ± 162 t = − 0.93, P = 0.35
Hemoglobin, g/L 118.3 ± 11.3 118.9 ± 11.1 t = − 0.46, P = 0.65
Blood urea nitrogen, mmol/L 5.3 ± 1.56 5.4 ± 1.4 t = − 0.52, P = 0.60
Comorbidities    
 Hypertension, n/% 19/11.8 20/13.8 χ2 = 0.27, P = 0.60
 Diabetes mellitus, n/% 10/6.2 16/11 χ2 = 2.28, P = 0.13
 Congestive heart failure, n/% 4/2.5 4/2.8 χ2 = 0a, P = 1
 COPD, n/% 4/2.5 2/1.4 χ2 = 0.08a, P = 0.78
 Chronic renal failure, n/% 2/1.2 2/1.4 χ2 = 0 a, P = 1
 Hepatitis, n/% 1/0.6 0 P = 1b
 Others, n/% 0 0
  1. Nutr. supple. nutritional supplementation; COPD chronic obstructive pulmonary disease
  2. aContinuity correction
  3. bFisher’s exact test