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Table 5 Comparison of nutrient intake and nutrient requirements (nutrient adequacy)

From: Adequacy of energy, zinc and selenium intakes among adult inpatients receiving total naso-gastric tube feeding admitted to a Copperbelt province Referral Hospital, in Ndola District, Zambia

Nutrient Actual Nutrient intake in previous 24 h Recommended nutrient intake for 24 h. (HBE and ESPEN requirement) Paired t-test
Mean ± SD Mean ± SD p-value
Carbohydrate (Cal/day) 210.9 ± 223.9 970.1 ± 144.7 0.010*
Protein (Cal/day) 75.4 ± 80.1 242.5 ± 36.2 0.011*
Fat (Cal/day) 40.2 ± 42.7 404.2 ± 60.3 0.014*
Total energy intake (Cal/day) 326.5 ± 346.7 1616.9 ± 241.2 0.012*
Zinc (mg/day) 0.34 ± 0.24 15.0 ± 12.23 0.017*
Selenium (μg/day) 0.23 ± 0.24 55.0 ± 45.56 0.019*
Quartiles energy intake per 24 h (HBE requirement) n (%)   
Adequate intake (90 to 110 %) 1 (0.88)   
Inadequate energy intake (0 to 89 %) 112 (99.12)   
1st (0 to 24.9 %) 79 (69.9)   
2nd (25 to 49.9 %) 24 (21.2)   
3rd (50 to 74.9 %) 8 (7.1)   
4th (75 to 99.9 %) 1 (0.9)   
5th (100 to 124.9 %) 1 (0.9)   
Quartiles zinc intake per 24 h (ESPEN requirement)
 Adequate intake (11–19 mg) 0 (0)   
 Inadequate intake (<11 mg) 113 (100)   
 1st (0–24.9 %) 113 (100)   
 2nd to 5th (25–124.9 %) 0 (0)   
Quartiles selenium intake per 24 h (ESPEN requirement)
 Adequate intake (20–70 μg) 0 (0)   
 Inadequate intake (<20 μg) 113 (100)   
 1st (0–24.9 %) 113 (100)   
 2nd to 5th (25–124.9 %) 0 (0)   
  1. *Significant at p < 0.05
  2. HBE Harris-Benedict Equations, ESPEN European Society for clinical nutrition and metabolism