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. 2023 May 19;12(5):746. doi: 10.3390/biology12050746

Table 3.

CPET and net energy cost parameters of the study participants pre- and post-sleeve gastrectomy during the three protocol stages were also grouped by gender and obesity classes.

CPET Parameters Net Energy Cost of Walking
HR (bpm) RER VO2 (L/min) VO2 (mL/kg/min) Absolute (J/m) Relative (J/kg/m)
Pre Post Pre Post Pre Post Pre Post Pre Post Pre Post
Stage 0
All 113.3 ± 14.0 89.8 ± 12.2 * 0.81 ± 0.06 0.80 ± 0.07 * 1.25 ± 0.29 0.81 ± 0.19 * 10.6 ± 1.8 9.3 ± 1.6 * 370.21 ± 114.19 218.82 ± 81.78 * 3.15 ± 0.86 2.50 ± 0.81 *
Women
BMI 35–40		 111.4 ± 13.6 90.5 ± 12.2 * 0.82 ± 0.06 0.79 ± 0.07 1.04 ± 0.19 0.70 ± 0.15 * 10.4 ± 2.1 9.5 ± 2.1 * 312.49 ± 84.71 183.73 ± 75.73 * 3.15 ± 0.94 2.48 ± 1.05 *
Women
BMI ≥ 40		 115.9 ± 13.7 91.2 ± 12.0 * 0.81 ± 0.05 0.79 ± 0.07 * 1.24 ± 0.24 0.80 ± 0.18 * 10.5 ± 1.7 9.2 ± 1.4 * 369.49 ± 109.69 222.04 ± 82.10 * 3.13 ± 0.86 2.51 ± 0.73 *
Men
BMI 35–40		 105.9 ± 20.1 82.9 ± 12.6 * 0.83 ± 0.13 0.83 ± 0.09 1.44 ± 0.25 0.92 ± 0.13 * 11.6 ± 1.7 10.1 ± 1.0 * 392.30 ± 137.75 252.79 ± 66.94 * 3.16 ± 1.07 2.77 ± 0.66 *
Men
BMI ≥ 40		 111.0 ± 10.3 86.7 ± 11.5 * 0.81 ± 0.05 0.80 ± 0.06 1.57 ± 0.28 0.99 ± 0.16 * 10.8 ± 1.6 9.1 ± 1.0 * 465.65 ± 77.74 253.24 ± 78.21 * 3.19 ± 0.67 2.33 ± 0.62 *
Stage 1/2
All 119.2 ± 13.7 95.6 ± 12.6 * 0.85 ± 0.06 0.85 ± 0.07 1.40 ± 0.31 0.92 ± 0.21 * 11.9 ± 1.8 10.6 ± 1.5 * 437.32 ± 127.16 271.12 ± 90.18 * 3.73 ± 0.92 3.09 ± 0.82 *
Women
BMI 35–40		 118.1 ± 13.9 95.6 ± 12.3 * 0.86 ± 0.06 0.85 ± 0.07 1.18 ± 0.20 0.79 ± 0.13 * 11.8 ± 2.1 10.6 ± 1.9 * 377.91 ± 90.65 225.07 ± 73.03 * 3.80 ± 1.01 3.04 ± 1.01 *
Women
BMI ≥ 40		 121.3 ± 13.1 97.1 ± 12.6 * 0.85 ± 0.05 0.85 ± 0.06 1.36 ± 0.22 0.92 ± 0.20 * 11.7 ± 1.5 10.5 ± 1.5 * 424.33 ± 114.04 276.33 ± 90.14 * 3.63 ± 0.90 3.13 ± 0.77 *
Men
BMI 35–40		 111.5 ± 19.6 88.7 ± 11.8 * 0.87 ± 0.12 0.87 ± 0.09 1.61 ± 0.27 1.02 ± 0.15 * 13.0 ± 1.7 11.2 ± 0.9 * 475.39 ± 146.73 302.81 ± 86.61 * 3.83 ± 1.09 3.31 ± 0.81 *
Men
BMI ≥ 40		 117.5 ± 10.9 93.4 ± 13.2 * 0.86 ± 0.05 0.85 ± 0.06 1.80 ± 0.31 1.13 ± 0.19 * 12.3 ± 1.6 10.4 ± 0.9 * 571.96 ± 124.43 319.10 ± 88.45 * 3.92 ± 0.77 2.92 ± 0.60 *
Stage 1
All 128.3 ± 13.8 104.8 ± 13.4 * 0.88 ± 0.06 0.88 ± 0.06 1.68 ± 0.45 1.12 ± 0.25 * 14.1 ± 1.9 12.7 ± 1.6 * 384.83 ± 126.92 241.07 ± 80.18 * 3.26 ± 0.77 2.75 ± 0.58 *
Women
BMI 35–40		 127.0 ± 13.6 104.7 ± 13.3 * 0.90 ± 0.08 0.87 ± 0.07 1.39 ± 0.22 0.94 ± 0.14 * 13.9 ± 2.3 12.7 ± 1.9 * 323.62 ± 68.01 201.27 ± 49.69 * 3.24 ± 0.74 2.71 ± 0.66 *
Women
BMI ≥ 40		 130.5 ± 13.1 106.5 ± 13.4 * 0.88 ± 0.06 0.87 ± 0.06 1.62 ± 0.26 1.1 ± 0.23 * 13.8 ± 1.7 12.6 ± 1.8 * 370.13 ± 79.70 244.04 ± 77.16 * 3.16 ± 0.60 2.77 ± 0.59 *
Men
BMI 35–40		 116.9 ± 21.1 95.6 ± 12.4 * 0.85 ± 0.06 0.89 ± 0.08 1.89 ± 0.34 1.19 ± 0.19 * 15.0 ± 1.8 13.0 ± 0.7 * 401.23 ± 122.01 256.50 ± 60.40 * 3.19 ± 0.80 2.79 ± 0.42 *
Men
BMI ≥ 40		 127.7 ± 10.4 103.4 ± 13.3 * 0.89 ± 0.05 0.88 ± 0.07 2.28 ± 0.68 1.38 ± 0.21 * 14.7 ± 1.6 12.7 ± 0.9 * 536.77 ± 208.60 294.15 ± 68.14 * 3.64 ± 1.21 2.70 ± 0.44 *

CPET = cardiopulmonary exercise test; BMI = body mass index; HR = heart rate; RER = respiratory exchange ratio; VO2 = oxygen uptake. * p < 0.05 between pre- and post-SG evaluation.