Table 4 Odds ratios (OR) for sarcopenia and its components in normal, H. pylori (+), and CagA (+) groups categorized by gender

Sarcopenia

 Model 1

  OR

Ref

2.132 (1.441, 3.153)

1.801 (1.171, 2.770)

Ref

2.127 (1.508, 3.002)

1.678 (1.143, 2.463)

  P value

Ref

< 0.001

0.007

Ref

 < 0.001

0.008

 Model 2

  OR

Ref

2.085 (1.408, 3.087)

1.745 (1.130, 2.695)

Ref

2.119 (1.501, 2.992)

1.652 (1.124, 2.430)

  P value

Ref

< 0.001

0.012

Ref

< 0.001

0.011

 Model 3

  OR

Ref

2.161 (1.456,3.208)

1.776 (1.148,2.748)

Ref

2.155 (1.525,3.047)

1.679 (1.141,2.470)

  P value

Ref

< 0.001

0.010

Ref

< 0.001

0.009

 Model 4

  OR

Ref

2.164 (1.457, 3.214)

1.782 (1.151, 2.759)

Ref

2.137 (1.509, 3.026)

1.650 (1.118, 2.436)

  P value

Ref

< 0.001

0.010

Ref

< 0.001

0.012

Low gait speed (< 0.8 m/s)

 Model 1

  OR

Ref

1.137 (0.843, 1.534)

0.923 (0.571, 1.493)

Ref

1.291 (0.991, 1.682)

1.597 (0.909, 2.807)

  P value

Ref

0.400

0.744

Ref

0.058

0.103

 Model 2

  OR

Ref

1.197 (0.877, 1.633)

0.794 (0.482, 1.308)

Ref

1.301 (0.990, .710)

1.509 (0.847, 2.690)

  P value

Ref

0.256

0.365

Ref

0.059

0.163

 Model 3

  OR

Ref

1.288 (0.940, 1.765)

0.794 (0.480, 1.313)

Ref

1.335 (1.014, 1.757)

1.552 (0.838, 2.773)

  P value

Ref

0.115

0.368

Ref

0.039

0.138

 Model 4

  OR

Ref

1.287 (0.938, 1.765)

0.800 (0.483, 1.326)

Ref

1.336 (1.014, 1.759)

1.558 (0.872, 2.783)

  P value

Ref

0.118

0.388

Ref

0.039

0.135

Low muscle strength (difficulty lifting 10 pounds)

 Model 1

  OR

Ref

1.246 (0.761, 2.042)

0.787 (0.308, 2.012)

Ref

1.373 (0.867, 2.174)

1.264 (0.519, 3.080)

  P value

Ref

0.382

0.617

Ref

0.176

0.606

 Model 2

  OR

Ref

1.241 (0.757, 2.034)

0.796 (0.311, 2.039)

Ref

1.382 (0.872, 2.191)

1.240 (0.506, 3.038)

  P value

Ref

0.392

0.635

Ref

0.169

0.638

 Model 3

  OR

Ref

1.250 (0.761, 2.051)

0.782 (0.304, 2.013)

Ref

1.385 (0.872, 2.201)

1.227 (0.500, 3.009)

  P value

Ref

0.378

0.610

Ref

0.167

0.655

 Model 4

  OR

Ref

1.279 (0.776, 2.108)

0.791 (0.306, 2.044)

Ref

1.344 (0.844, 2.140)

1.153 (0.467, 2.850)

  P value

Ref

0.334

0.629

Ref

0.213

0.757