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Table 2 CT and DEXA evaluation of the weight-maintenance (control) and weight-loss groups at baseline and 12-week follow-up

From: Effect of weight loss on circulating fatty acid profiles in overweight subjects with high visceral fat area: a 12-week randomized controlled trial

  Weight-maintenance group
(n = 38)
Weight-loss group
(n = 37)
P a P b P c P d
Baseline   Follow-up Baseline   Follow-up
Percent weight change   0.63 ± 0.15    − 3.44 ± 0.34   < 0.001    
CT evaluation (L4)
Whole fat area (cm2) 327.0 ± 6.32   333.3 ± 6.23 319.8 ± 6.65   298.5 ± 7.23*** 0.435 < 0.001   
 Change   6.34 ± 4.72    − 21.3 ± 4.70     < 0.001 < 0.001
Visceral fat area (cm2) 118.2 ± 2.34   121.9 ± 3.26 118.3 ± 3.14   100.6 ± 3.67*** 0.989 < 0.001   
 Change   3.65 ± 2.31    − 17.7 ± 3.30     < 0.001 < 0.001
Subcutaneous fat area (cm2) 208.7 ± 6.98   211.4 ± 6.24 201.5 ± 7.06   197.8 ± 6.90 0.468 0.148   
 Change   2.69 ± 4.17    − 3.66 ± 2.54     0.200 0.099
Visceral/subcutaneous fat ratio (%) 0.60 ± 0.03   0.60 ± 0.03 0.62 ± 0.03   0.53 ± 0.03*** 0.556 0.101   
 Change   0.00 ± 0.02    − 0.09 ± 0.02     < 0.001 < 0.001
DEXA evaluation
Fat percentage (%) 31.5 ± 0.94   31.0 ± 0.94** 29.8 ± 1.03   28.5 ± 0.98*** 0.209 0.067   
 Change   − 0.50 ± 0.18    − 1.26 ± 0.24     0.014 0.006
Fat mass (g) 22,826.7 ± 616.6   22,536.71 ± 606.1* 22,038.8 ± 685.1   20,768.91 ± 651.1*** 0.395 0.050   
 Change   − 290.0 ± 128.4    − 1269.9 ± 221.4     < 0.001 < 0.001
Lean body mass (g) 48,289.8 ± 1471.4   48,934.6 ± 1497.4*** 50,875.5 ± 1598.1   49,726.2 ± 1567.7*** 0.237 0.716   
 Change   644.8 ± 168.6    − 1149.3 ± 164.3     < 0.001 < 0.001
  1. Mean ± SE. tested following logarithmic transformation. Pa-values derived from an independent t-test between the groups at baseline. Pb-values derived from an independent t-test between the groups at follow-up. Pc-values derived from an independent t-test between the groups at changed values. Pd-values are Pc-values adjusted with the baseline values. *P < 0.05, **P < 0.01, and ***P < 0.001 derived from a paired t-test