Table 5 Association between SMI and H. pylori markers in normal, H. pylori (+), and CagA (+) groups categorized by gender

Skeletal muscle index(SMI)

 Model 1

  β coefficient

Ref

− 1.525 (− 2.392, − 0.658)

− 1.563 (− 2.546, − 0.581)

Ref

− 2.369 (− 3.323, − 1.414)

− 1.476 (− 2.591, − 0.361)

  P value

Ref

0.001

0.002

Ref

< 0.001

0.010

 Model 2

  β coefficient

Ref

− 1.266 (− 2.101, − 0.432)

− 1.321 (− 2.271, − 0.371)

Ref

− 2.601 (− 3.539, − 1.663)

− 1.676 (− 2.776, − 0.576)

  P value

Ref

0.003

0.006

Ref

< 0.001

0.003

 Model 3

  β coefficient

Ref

− 1.733 (− 2.406, − 1.060)

− 1.390 (− 2.158, − 0.622)

Ref

− 2.926 (− 3.747, − 2.106)

− 2.144 (− 3.107, − 1.181)

  P value

Ref

< 0.001

< 0.001

Ref

< 0.001

< 0.001

 Model 4

  β coefficient

Ref

− 1.740 (− 2.413, − 1.067)

− 1.407 (− 2.175, − 0.640)

Ref

− 2.942 (− 3.763, − 2.122)

− 2.159 (− 3.123, − 1.194)

  P value

Ref

< 0.001

< 0.001

Ref

< 0.001

< 0.001