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Table 4 Measured energy expenditure, intake, and balance

From: Prediction equation for estimating total daily energy requirements of special operations personnel

Training Measured Daily Energy Expenditure (Kcal·d− 1) Resting Metabolic Rate (Kcal·d− 1) Diet-Induced Energy Expenditure (Kcal·d− 1) Activity-Induced Energy Expenditure (Kcal·d− 1) Physical Activity Level Energy Intake (Kcal·d− 1) Energy Balance (Kcal·d− 1) Delta Body Mass (kg)
Combat Dive School 4567 (4332, 4803) 1748 (1672, 1824) 457 (433, 480) 2363 (2191, 2534) 2.61 (2.51, 2.72) −0.39 (− 0.88, 0.10)
Pre-Mission Training 3904 (3589, 4219) 1798 (1738, 1859) 390 (359, 422) 1715 (1449, 1982) 2.17 (2.01, 2.34) 0.24 (−0.25, 0.73)
Weapons Traininga 3682 (3076, 4289) 1868 (1756, 1979) 368 (308, 429) 1447 (949, 1944) 1.97 (1.68, 2.25) 3935 (3543, 4327) 253 (− 295, 801) − 0.19 (− 1.29, 0.92)
Urban Combata 5215 (4665, 5766) 1712 (1617, 1806) 522 (467, 577) 2982 (2528, 3437) 3.05 (2.74, 3.35) 2503 (2083, 2924) − 2712 (− 3140, − 2284) − 3.30 (− 4.77, − 1.81)
Squad Raidsa 4801 (4426, 5175) 1838 (1732, 1943) 480 (443, 517) 2483 (2189, 2778) 2.62 (2.44, 2.80) 3118 (2619, 3616) − 1683 (− 2281, − 1084) −3.25 (− 4.62, − 1.88)
Platoon Raidsa 4484 (3788, 5180) 1912 (1731, 2092) 448 (360, 535) 2554 (1731, 3377) 2.31 (2.07, 2.56) 4529 (4126, 4931) 45 (− 472, 561) − 1.96 (− 2.63, − 1.29)
Small Unit Ranger Training (classroom) 3719 (3452, 3985) 1800 (1731, 1870) 372 (345, 399) 1546 (1349, 1744) 2.06 (1.95, 2.17) 3134 (2838, 3430) − 584 (− 791, − 378)
Small Unit Ranger Training (field training) 4924 (4513, 5335) 1800 (1731, 1870) 493 (451, 534) 2631 (2303, 2959) 2.73 (2.55, 2.91) 2850 (2497, 3203 − 2074 (− 2491, − 1657)
Ranger Selection Assessment Program 4264 (4089, 4440) 1733 (1647, 1819) 426 (409, 444) 2105 (1999, 2211) 2.47 (2.39, 2.54) 2957 (2814, 3101) − 1307 (− 1505, − 1110) − 1.24 (− 1.69, − 0.78)
Raider Spiritb 6317 (5886, 6748) 1894 (1838, 1950) 632 (588, 675) 3791 (3416, 4167) 3.34 (3.11, 3.56) 2385 (2183, 2588) − 3932 (− 4387, − 3477) − 4.47 (− 5.40, − 3.54)
Close Quarters Battleb 4189 (3824, 4555) 1915 (1752, 2078) 419 (382, 455) 1856 (1636, 2076) 2.19 (2.07, 2.31) 2816 (2440, 3191) − 1374 (− 1899, − 849) −0.40 (− 1.79, 1.01)
Derna Bridgeb 3736 (3546, 3926) 1936 (1870, 2002) 374 (355, 393) 1427 (1272, 1581) 1.93 (1.84, 2.03) 2701 (2256, 3146) − 1035 (− 1481, − 589) − 1.48 (− 2.27, − 0.70)
Overall 4468 (4311, 4624) 1827 (1801, 1853) 447 (431, 462) 2219 (2080, 2359) 2.45 (2.36, 2.53) 3086 (2941, 3231) −1433 (− 1677, − 1188) −1.75 (−2.09, − 1.40)
  1. Data presented as mean (95% Confidence Interval of the mean)
  2. aData collected during US Army Special Forces Small Unit Tactics Training
  3. bData collected during Marine Special Operations Command
  4. Resting Metabolic Rate = 370 + (21.6 * fat-free mass)
  5. Diet-induced energy expenditure = 10% daily energy expenditure
  6. Activity-Induced Energy Expenditure = Daily energy expenditure – (resting metabolic rate + diet-induced energy expenditure)
  7. Physical Activity Level = Daily energy expenditure / resting metabolic rate
  8. Energy Balance = Daily energy expenditure – energy intake