ACCP | 30 | 23.3 | 60.0 | 16.7 | −13.0 | −320 | −1257 | 617 |
HBE | 30 | 30.0 | 60.0 | 10.0 | −4.0 | −99 | −1063 | 930 |
1.2×HBE | 30 | 31.8 | 21.3 | 40.9 | 3.2 | −49 | −742 | 631 |
1.5×HBE | 30 | 18.2 | 9.1 | 72.7 | 29.0 | 322 | −476 | 979 |
MSJ | 30 | 33.3 | 50.0 | 16.7 | −10.8 | −200 | −1172 | 919 |
Ireton-Jones 1992 | 30 | 6.7 | 23.3 | 70.0 | 22.2 | 233 | −812 | 923 |
Ireton-Jones 2002 | 30 | 26.7 | 23.3 | 50.0 | 8.0 | 43 | −1018 | 665 |
Penn State 2003 (HBE) | 24 | 25.0 | 50.0 | 25.0 | 1.6 | −88 | −740 | 837 |
Penn State 2003 (MSJ) | 27 | 37.0 | 22.2 | 40.7 | 9.6 | 100 | −502 | 1056 |
Penn State 2010 | 27 | 48.1 | 14.8 | 37.0 | 11.6 | 98 | −472 | 1089 |
Swinamer 1990 | 27 | 18.5 | 11.1 | 70.4 | 25.9 | 295 | −336 | 1191 |
Faisy equation | 27 | 25.9 | 0.0 | 74.1 | 31.8 | 366 | −176 | 1397 |
Brandi 1999 | 22 | 22.7 | 27.3 | 50.0 | 13.6 | 74 | −549 | 1115 |
25 kcal/kg | 30 | 30.0 | 20.0 | 50.0 | 25.2 | 440 | −933 | 4030 |
ACCP | 0.324 | −0.338 | 0.692 | 0.136 |
HBE | 0.608 | −0.023 | 0.845 | 0.003 |
1.2×HBE | 0.764 | 0.430 | 0.902 | <0.001 |
1.5×HBE | 0.686 | 0.017 | 0.886 | <0.001 |
MSJ | 0.809 | 0.515 | 0.923 | <0.001 |
Ireton-Jones 1992 | 0.723 | 0.204 | 0.894 | <0.001 |
Ireton-Jones 2002 | 0.800 | 0.519 | 0.917 | <0.001 |
Penn State 2003 (HBE) | 0.672 | 0.217 | 0.863 | 0.007 |
Penn State 2003 (MSJ) | 0.843 | 0.626 | 0.934 | <0.001 |
Penn State 2010 | 0.814 | 0.561 | 0.922 | <0.001 |
Swinamer 1990 | 0.715 | 0.155 | 0.893 | <0.001 |
Faisy equation | 0.643 | −0.123 | 0.873 | <0.001 |
Brandi 1999 | 0.608 | −0.104 | 0.859 | 0.039 |
25 kcal/kg | 0.701 | 0.295 | 0.875 | 0.002 |
ACCP equation | = 25 × weight |
HBE | Men: kcal/d = 66.47 + 13.75 (w) + 5 (h) − 6.75 (a) |
MSJ equation | Men: kcal/d = 10 (w) + 6.25 (h) − 5 (a) + 5 |
Ireton-Jones 1992 equation | 1925 − 10 (a) + 5 (w) + 281 (S) + 292 (T) + 851 (B) |
Ireton-Jones 2002 equation | 1784 − 11 (a) + 5 (w) + 244 (S) + 239 (T) + 804 (B) |
Penn State 2003 equation | Harris–Benedict: kcal/d = 0.85 (HBE) + 175 (Tmax) + 33 (Ve) − 6433 |
Penn State 2010 equation | MSJ (0.71) + Ve (64) + Tmax (85) − 3085 |
Swinamer 1990 equation | (945 × BSA) − (6.4 × age) + (108 × BT) + (24.2 × RR) + (817 × VT) − 4349 |
Faisy equation | 8 (w) + 14 (h) + 42 (Ve) + 94 (BT) − 4834 |
Brandi 1999 equation | 0.96 (HBE) + 7 (HR) + 48 (Ve) − 702 |
Equation commonly used in critical illness | 25 kcal/kg actual body weight including 1–1.5 g protein/kg |
ACCP | 22.7 | 54.5 | 22.7 | −10.2 | −272.4 | −1091.0 | 617.0 |
HBE | 27.3 | 59.1 | 13.6 | 14.02 | 296.7 | −987.1 | 399.7 |
1.2×HBE | 31.8 | 27.3 | 40.9 | 3.18 | −49.1 | −742.1 | 631.3 |
1.5×HBE | 18.2 | 9.1 | 72.7 | 29.0 | 322.3 | −475.7 | 978.6 |
MSJ | 36.4 | 50.0 | 13.6 | −9.3 | −183.3 | −773.0 | 490.8 |
Ireton-Jones 1992 | 9.1 | 18.2 | 72.7 | 25.0 | 275.5 | −421.0 | 923.0 |
Ireton-Jones 2002 | 22.7 | 27.3 | 50.0 | 8.8 | 53.4 | −662.0 | 665.0 |
Penn State 2003 (HBE) | 22.7 | 50.0 | 27.3 | 2.6 | −76.1 | −739.9 | 837.1 |
Penn State 2003 (MSJ) | 27.3 | 27.3 | 45.5 | 9.6 | 73.0 | −501.7 | 944.4 |
Penn State 2010 | 40.9 | 18.2 | 40.9 | 12.1 | 82.6 | −471.9 | 1088.6 |
Swinamer 1990 | 18.2 | 13.6 | 68.2 | 25.9 | 276.6 | −335.2 | 1190.8 |
Faisy equation | 27.3 | 0.0 | 72.7 | 32.4 | 353.5 | −176.0 | 1397.2 |
Brandi 1999 | 23.5 | 29.4 | 47.1 | 14.1 | 61.4 | −548.6 | 1115.4 |
25 kcal/kg | 31.8 | 18.2 | 50.0 | 20.6 | 318.5 | −933.0 | 1867.0 |
ACCP | 0.445 | −320 | 457 | −1217 | 576 |
HBE | 0.675 | −99 | 464 | −1008 | 810 |
1.2×HBE | 0.566 | −49 | 355 | −744 | 646 |
1.5×HBE | 0.566 | 322 | 358 | −379 | 1023 |
MSJ | 0.736 | −200 | 429 | −1041 | 641 |
Ireton-Jones 1992 | 0.624 | 233 | 427 | −603 | 1070 |
Ireton-Jones 2002 | 0.666 | 43 | 402 | −745 | 831 |
Penn State 2003 (HBE) | 0.714 | −88 | 367 | −807 | 631 |
Penn State 2003 (MSJ) | 0.767 | 100 | 369 | −623 | 823 |
Penn State 2010 | 0.771 | 98 | 312 | −513 | 709 |
Swinamer 1990 | 0.708 | 295 | 335 | −363 | 952 |
Faisy equation | 0.778 | 366 | 333 | −287 | 1019 |
Brandi 1999 | 0.587 | 74 | 394 | −698 | 846 |
25 kcal/kg | 0.675 | 439 | 1019 | −4377 | 2457 |
Sex n (%) | |
Male | 12 (50) |
Age | |
Median (years) | 64.5 [43.50, 75.50] |
Height | |
Median (cm) | 160 [151.0, 167.0] |
Median (kg) | |
Median (cm) | 62.5 [47.75, 85.50] |
BMI n (%) | 27 (100) |
Underweight (<18.5 kg/m2) | 6 (25) |
Normal (18.5–22.9 kg/m2) | 7 (29.2) |
Overweight (23–24.9 kg/m2) | 0 (0) |
Obese 1 (25–29.9 kg/m2) | 1 (4.2) |
Obese 2 (>30 kg/m2) | 10 (41.7) |
BSA (Dubois) median (m2) | 1.7 [1.46, 1.86] |
Cause of respiratory failure n (%) | |
Pneumonia | 4 (16.7) |
Post ARDS | 3 (12.5) |
COPD | 2 (8.3) |
Chronic lung disease | 1 (4.2) |
Sepsis | 2 (8.3) |
Cardiac arrest | 1 (4.2) |
Heart failure | 2 (8.3) |
Tetanus | 1 (4.2) |
Others | 8 (33.3) |
Ventilator mode n (%) | |
Volume control | 3 (10) |
Pressure control | 6 (20) |
Pressure support | 20 (66.7) |
Proportional assist ventilation | 1 (3.3) |
Measured REE median (kcal/d) | |
Total | 1553.0 [1126.75, 2065.75] |
Underweight (<18.5 kg/m2) | 1044.0 [884.50, 1591.50] |
Normal (18.5–22.9 kg/m2) | 1545.0 [1125.75, 1981.00] |
Overweight (23–24.9 kg/m2) | – |
Obese 1 (25–29.9 kg/m2) | 1475.0 [1475.00, 1475.00] |
Obese 2 (>30 kg/m2) | 2043.5 [1525.25, 2329.50] |
Average measured calories per actual BW (kcal/kg) | 23.5 |
Average measured calories per BW (kcal/kg) | 27 |
Use actual BW if BMI <30 kg/m2 | |
Use adjusted BW if BMI ≥ 30 kg/m2 | |
Average measured calories per IBW (kcal/kg) | 29.5 |
REE calculated by predictive equations median (kcal/d) | |
ACCP | 1255.0 [1050.00, 1423.00] |
HBE | 1180.5 [1078.89, 1518.95] |
1.2×HBE | 1424.3 [1292.80, 1752.98] |
1.5×HBE | 1780.4 [1615.99, 2191.23] |
MSJ | 1250.0 [1012.25, 1522.50] |
Ireton-Jones 1992 | 1688.0 [1585.00, 2042.25] |
Ireton-Jones 2002 | 1479.5 [1373.25, 1957.00] |
Penn State 2003 (HBE) | 1523.5 [1270.24, 1734.94] |
Penn State 2003 (MSJ) | 1516.5 [1182.04, 1905.00] |
Penn State 2010 | 1542.4 [1310.89, 1846.61] |
Swinamer 1990 | 1740.0 [1502.28, 2115.50] |
Faisy | 1840.4 [1576.60, 2155.20] |
Brandi 1999 | 1547.3 [1302.86, 1794.43] |
Equation commonly used in critical illness (25 kcal/kg) | 1562.5 [1225.00, 2400.00] |