Correlation between musculoskeletal mass and perfusion in patients with gastrointestinal malignancy: a preliminary study based on quantitative CT and CT perfusion

Table 2 Inter- and intra-observer agreement

ICC/Parameter	BMD	PMI	FF	BF_B	BV_B	MTT_B	TTD_B	TTS_B	T_{max_B}	FE_B	BF_M	BV_M	MTT_M	TTD_M	TTS_M	T_{max_M}	FE_M
Inter-observer	0.988	0.983	0.989	0.871	0.943	0.963	0.906	0.897	0.789	0.970	0.906	0.957	0.939	0.904	0.941	0.885	0.927
Intra-observer	0.984	0.970	0.989	0.860	0.926	0.954	0.924	0.908	0.815	0.961	0.842	0.915	0.936	0.835	0.894	0.830	0.905

ICC Intraclass correlation coefficient, BMD bone mineral density, PMI perivertebral muscular mass index, FF fat fraction, BF_B blood flow of lumbar vertebra, BV_B blood volume of lumbar vertebra, MTT_B mean transit time of lumbar vertebra, TTD_B time to drain of lumbar vertebra, TTS_B time to start of lumbar vertebra, T_{max_B} time to maximum of lumbar vertebra, FE_B flow extraction product of lumbar vertebra, BF_M blood flow of perivertebral muscles, BV_M blood volume of perivertebral muscles, MTT_M mean transit time of perivertebral muscles, TTD_M time to drain of perivertebral muscles, TTS_M time to start of perivertebral muscles, T_{max_M} time to maximum of perivertebral muscles, FE_M flow extraction product of perivertebral muscles

ISSN: 1471-2474