Research Article
Association between Habitual Dietary Salt Intake and Risk of Gastric Cancer: A Systematic Review of Observational Studies
Table 5
High versus low categories of salt and gastric cancer in Asia.
| Study or subgroup | High salt | Low salt | | Odds ratio | Odds ratio | Events | Total | Events | Total | Weight | M-H, fixed, 95% CI | M-H, fixed, 95% CI |
| Pourfarzi et al. 2009 [13] | 121 | 213 | 95 | 394 | 0.8% | 4.14 [2.90, 5.91] | | Campos et al. 2006 [12] | 19 | 30 | 197 | 617 | 0.2% | 3.68 [1.72, 7.89] | Kim et al. 2010 [18] | 2779 | 439134 | 7670 | 1450941 | 94.7% | 1.20 [1.15, 1.25] | Shikata et al. 2006 [19] | 30 | 564 | 12 | 663 | 0.3% | 3.05 [1.55, 6.01] | Ngoan et al. 2002 [20] | 8 | 657 | 35 | 4915 | 0.2% | 1.72 [0.79, 3.72] | Tsugane et al. 2004 [21] | 130 | 89048 | 58 | 86483 | 1.6% | 2.18 [1.60, 2.97] | Lee et al. 2003 [16] | 47 | 69 | 22 | 199 | 0.1% | 17.19 [8.77, 33.68] | Yang et al. 2011 [17] | 180 | 482 | 120 | 418 | 2.2% | 1.48 [1.12, 1.96] | Total (95% CI) | | 530197 | | 1544630 | 100.0% | 1.27 [1.22, 1.32] | Total events | 3314 | | 8209 | | | | Heterogeneity: Chi2 = 133.98, df = 7 (); = 95% | | | | Test for overall effect: = 11.22 () | | | | | |
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