Table 1 Characteristics of study participants in normal, H. pylori (+), and CagA (+) groups
From: Detrimental relevance of Helicobacter pylori infection with sarcopenia
|  | Normal‡ (n = 2805) | H. pylori (+)§ (n = 514) | CagA (+)¶ (n = 134) | P value |
|---|---|---|---|---|
Continuous values†| ||||
 Age (years) | 71.37 ± 7.99 | 71.74 ± 8.07 | 71.43 ± 6.97 | 0.770 |
 BMI (kg/m2) | 27.24 ± 5.10 | 26.72 ± 4.66 | 27.22 ± 5.13 | 0.127 |
 SMI (kg/m2) | 44.69 ± 9.83 | 42.82 ± 10.97 | 41.82 ± 10.98 |  < 0.001 |
 Time used for 8-feet walk(s) | 3.94 ± 2.34 | 3.80 ± 1.48 | 3.86 ± 1.61 | 0.542 |
 Plasma CRP levels | 0.59 ± 1.07 | 0.51 ± 0.73 | 0.51 ± 0.68 | 0.156 |
 Plasma glucose levels | 110.54 ± 43.88 | 107.61 ± 44.24 | 112.02 ± 51.24 | 0.464 |
Categorical values†| ||||
 Male | 52.7% | 46.4% | 49.1% | 0.254 |
 Race |  |  |  |  |
 Non-Hispanic white | 61.8% | 55.5% | 44.8% |  < 0.001 |
 Non-Hispanic black | 16.6% | 22.0% | 29.9% | |
 Mexican–American | 18.4% | 20.6% | 22.4% | |
 Other | 3.2% | 1.8% | 2.9% |  |
 Low muscle strength (difficulty lifting 10 pounds) | 29.8% | 33.7% | 31.3% | 0.883 |
 Smoker | 16.4% | 18.8% | 15.2% | 0.127 |
 Doctor ever told to have arthritis | 44.5% | 42.9% | 43% | 0.704 |
 Doctor ever told to have asthma | 6.3% | 6.7% | 5.6% | 0.069 |
 Diabetes mellitus | 14.3% | 15.3% | 17.2% | 0.049 |
 Sarcopenia | 126 (4.5%) | 56 (10.9%) | 14 (10.4%) | < 0.001 |