Table 3.

Effect of age on HspA seropositivity among the 154H. pylori-colonized Hong Kong patients

Age group (yr)Mean ± SD age (yr)No. of patients% Anti-HspA IgG positiveORa95% CIb
17–2922.7 ± 3.6128.31.0
30–4941.1 ± 5.06933.45.50.7–45.3
≥5067.7 ± 8.97341.17.70.9–62.7
  • a OR, odds ratio (P = 0.041; Chi-square analysis for linear trend).

  • b CI, confidence interval.