Table 2.

Validation results for cross validation (CV) in terms of mean and standard deviation (SD) of performance measure.

	CV 1	CV 2	CV 3	CV 4	CV 5
Training
No. of patients	52	53	53	53	53
Total scans	112	118	122	117	119
Validation
No. of patients	14	13	13	13	13
Total scans	35	29	25	30	28
Mean skeletal muscle area (cm2)
(mean ± SD)	122.37 ± 34.84	138.75 ± 33.33	148.54 ± 34.34	141.15 ± 35.38	130.63 ± 43.44
[Range]	42.05 – 178.35	83.91 – 186.35	86.55 – 213.48	80.87 – 226.47	76.81 – 205.03
Dice score
(mean ± SD)	0.90 ± 0.07	0.91 ± 0.06	0.93 ± 0.03	0.93 ± 0.02	0.90 ± 0.04
Percentage Error (PE) - %
(mean ± SD)	0.09 ± 9.31	-4.73 ± 4.11	-2.28 ± 3.31	-2.79 ± 4.22	-6.81 ± 5.98
Absolute Percentage Error (APE) - %
(mean ± SD)	4.67 ± 8.02	4.78 ± 4.04	3.50 ± 1.90	3.88 ± 3.21	6.81 ± 5.98