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Table 3 Comparison of musculoskeletal perfusion parameters between patients with different BMD

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

Parameter BMD groups P value
Normal (n = 30) Osteopenia (n = 43) Osteoporosis (n = 23)
BFB [ml/(100 mL·min)] 34.93(20.89) 28.35(11.50) 24.27(10.54)a 0.002
BVB (ml/100 ml) 2.59(2.18) 2.49(1.93) 1.79(1.66)a 0.013
MTTB (s) 5.03(1.98) 5.48(2.01) 4.90(1.45) 0.068
TTDB (s) 10.31(1.98) 9.38(1.67) 10.71(2.63) 0.031
TTSB (s) 4.97(3.17) 3.94(2.25) 5.76(3.46)b 0.016
Tmax_B (s) 7.95(0.96) 7.69(1.31) 8.10(1.61) 0.453
FEB [ml/(100 mL·min)] 18.86(13.17) 20.17(10.39) 14.22(14.99)a 0.026
BFM[ml/(100 mL·min)] 12.59(8.30) 12.95(8.50) 8.99(10.68) 0.053
BVM(ml/100 ml) 0.88(0.81) 0.92(0.95) 0.60(0.76)b 0.040
MTTM(s) 4.59(0.98) 4.68(1.22) 4.42(0.62) 0.052
TTDM(s) 8.64(1.70) 8.64(1.40) 8.93(2.17) 0.282
TTSM(s) 4.54(1.67) 4.30(2.16) 4.99(1.67) 0.030
Tmax_M(s) 6.68(1.33) 6.80(0.91) 6.78(1.20) 0.894
FEM[ml/(100 mL·min)] 4.45(5.46) 5.69(5.99) 3.29(3.68)b 0.045
  1. BFB blood flow of lumbar vertebra, BVB blood volume of lumbar vertebra, MTTB mean transit time of lumbar vertebra, TTDB time to drain of lumbar vertebra, TTSB time to start of lumbar vertebra, Tmax_B time to maximum of lumbar vertebra, FEB flow extraction product of lumbar vertebra, BFM blood flow of perivertebral muscles, BVM blood volume of perivertebral muscles, MTTM mean transit time of perivertebral muscles, TTDM time to drain of perivertebral muscles, TTSM time to start of perivertebral muscles, Tmax_M time to maximum of perivertebral muscles, FEM flow extraction product of perivertebral muscles
  2. aCompared with normal BMD group, P < 0.05
  3. bCompared with osteopenia group, P < 0.05