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Table 4 Baseline characteristics of the patients stratified into the true A and others groups

From: Identification of Helicobacter pylori-related gastric cancer risk using serological gastritis markers and endoscopic findings: a large-scale retrospective cohort study

Group True A Others
Total patients 273 1234
 Person-years 1453.25 6153.25
 Age, mean (SD) 53.6 (15.9) 64.5 (11.9)
 Follow-up months, mean (SD) 64.8 (57.6) 60.5 (59.1)
Gastric cancer 0 24
 Age, mean (SD) 0 66.5 (9.3)
 Person-years 0 111.25
 Follow-up months, mean (SD) 0 57.2 (54.6)
 Cases/incidence rate 0 0.0039
  1. SD standard deviation