Table 2. Mean cross-sectional skeletal muscle and adipose tissue measurements on abdominal and inter-software agreement (n=54).
Variables | SliceOmatic | OsiriX | Mean difference (95% CI) | P-value | ICC (95% CI) | Mean Jaccard Index (range) |
---|---|---|---|---|---|---|
MMT (cm2) | 155.2 ± 35.9 (112.3; 239.8) | 155.7 ± 36.8 (100.2; 241.0) | -0.5 (-3.6; 2.6) | 0.967b | 0.954 (0.921 – 0.973) | 0.990 (0.984-0.995) |
VAT (cm2) | 127.0 ± 56.8 (42.4; 277.9) | 128.0 ± 57.4 (44.6; 286.2) | -1.1 (-1.8; -0.4) | 0.004a | 0.999 (0.998 – 0.999) | 0.990 (0.978-0.997) |
SAT (cm2) | 388.3 ± 94.6 (171.0; 630.6) | 391.0 ± 97.0 (170.8; 644.5) | -2.7 (-4.1; -1.2) | 0.001b | 0.998 (0.996 – 0.999) | 0.990 (0.984-0.996) |
Data expressed as mean ± standard deviation (minimum and maximum values); CI, confidence interval; ICC, Intra-class correlation coefficient. a paired sample t-test. b Wilcoxon’s signed rank test.
MMT: muscle mass tissue; VAT: visceral adiposity tissue; SAT: subcutaneous adiposity tissue.