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Table 1 Summary of caloric needs of critically ill and healthy individuals in the context of the Minnesota Starvation Study and actual current ICU calorie delivery

From: Tailoring nutrition therapy to illness and recovery

  Mean REE (kcal/day) TEE (kcal/day) TEE/weight (kcal/kg/day)
Uehara et al., ICU study [12]
 Sepsis patients (mean age 67)
  Week 1 ~ 1854 1927 ± 370 25 ± 5
  Week 2   3257 ± 370 47 ± 6
 Trauma patients (mean age 34)
  Week 1 ~ 2122 2380 ± 422 31 ± 6
  Week 2   4123 ± 518 59 ± 7
WHO calorie requirements, healthy subjectsa
 Men   ~ 3000 44 (range 35–53)
 Women   ~ 2500 36 (range 29–44)
Minnesota Starvation Study calorie delivery   Delivered energy (kcal/day) Delivered energy/weight (kcal/kg/day)
 Baseline period   3200 ~ 50
 Starvation period   ~ 1800 23–30
 Recovery period delivery (for recovery to occur)   ~ 4000 ~ 60
  1. Actual average 1034 kcal/day delivered in critically ill patients over first 12 days of ICU stay [15]
  2. REE resting energy expenditure, TEE total energy expenditure, WHO World Health Organization
  3. aData for a healthy 70-kg person with intermediate physical activity (1.75 physical activity level factor). Reference: http://www.fao.org/docrep/007/y5686e/y5686e00.htm#Contents