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

From: Detrimental relevance of Helicobacter pylori infection with sarcopenia

  Male (n = 1765) Female (n = 1661)
Normal (n = 1455) H. pylori (+) (n = 233) CagA (+) (n = 77) Normal (n = 1323) H. pylori (+) (n = 281) CagA (+) (n = 57)
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
  1. Model 1 = unadjusted
  2. Model 2 = Adjusted for age, race
  3. Model 3 = Adjusted for age, race, BMI, serum C-reactive protein, serum glucose
  4. Model 4 = Adjusted for age, race, BMI, serum C-reactive protein, serum glucose, smoking, arthritis, asthma, diabetes mellitus