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Table 4 Comparison of PMI, muscular fat fraction, and clinical characteristics 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

characteristics

BMD groups

χ2

P value

Normal (n = 30)

Osteopenia (n = 43)

Osteoporosis (n = 23)

Age

60.60 ± 11.62

66.05 ± 7.97a

74.26 ± 8.64ab

13.773

 < 0.001

PMI (cm2/m2)

16.64 ± 2.81

14.61 ± 2.49a

13.03 ± 3.37a

10.991

 < 0.001

Muscular fat fraction (%)

9.37 ± 4.13

14.37 ± 6.77a

17.98 ± 11.39a

8.836

 < 0.001

Gender

   

6.136

0.047

Male

24

26

11

  

Female

6

17

12

  

TNM staging

   

2.854

0.240

Low-grade

14

23

16

  

High-grade

16

20

7

  
  1. PMI perivertebral muscular mass index, BMD bone mineral density
  2. aCompared with normal BMD group, P < 0.05
  3. bCompared with osteopenia group, P < 0.05