Table 5 RA risk in patients with H. pylori infection stratified by age-sex subgroups.
Age | Sex | N | Incidence rate (95% CI) of RA | aHRa (95% CI) | |
|---|---|---|---|---|---|
Control | H. pylori-infected group | ||||
< 30 | Female | 8924 | 0.28 (0.18–0.46) | 0.65 (0.48–0.88) | 2.22 (1.26–3.91) |
< 30 | Male | 12,184 | 0.15 (0.08–0.26) | 0.30 (0.21–0.44) | 2.12 (1.07–4.20) |
30–44 | Female | 22,962 | 1.01 (0.86–1.18) | 1.50 (1.32–1.71) | 1.47 (1.20–1.80) |
30–44 | Male | 33,197 | 0.35 (0.28–0.43) | 0.43 (0.35–0.53) | 1.23 (0.91–1.67) |
45–64 | Female | 39,756 | 1.55 (1.4–1.71) | 2.37 (2.18–2.56) | 1.52 (1.34–1.73) |
45–64 | Male | 48,962 | 0.68 (0.59–0.78) | 1.00 (0.89–1.12) | 1.46 (1.22–1.76) |
≥ 65 | Female | 12,942 | 1.84 (1.55–2.19) | 2.29 (1.96–2.66) | 1.25 (0.99–1.57) |
≥ 65 | Male | 16,139 | 1.16 (0.94–1.42) | 1.45 (1.21–1.73) | 1.25 (0.95–1.64) |
