Table 1.

Dice similarity coefficients (agreement between manual and semi-automated segmentation) with average Dice values (mean ± SD) in 90 MRI CSA images (OAI participants, training study baseline and training study follow-up)

	OAI participants (N = 20)	Training study (BL) (N = 35)	Training study (FU) (N = 35)
SCF	0.96 ± 0.01	0.97 ± 0.01	0.97 ± 0.01
IMF	0.72 ± 0.05	0.71 ± 0.06	0.69 ± 0.07
Quadriceps	0.97 ± 0.01	0.97 ± 0.01	0.98 ± 0.01
Hamstrings	0.96 ± 0.01	0.96 ± 0.02	0.96 ± 0.01
Adductors	0.89 ± 0.04	0.85 ± 0.04	0.89 ± 0.07
Sartorius	0.92 ± 0.03	0.91 ± 0.04	0.92 ± 0.03
Femur	0.96 ± 0.01	0.96 ± 0.01	0.96 ± 0.01
Medulla	0.95 ± 0.02	0.95 ± 0.03	0.95 ± 0.03

OAI osteoarthritis initiative, BL baseline, FU follow-up, SCF subcutaneous fat, IMF intermuscular fat