Table 2.
Multivariatea odds ratios (OR) and 95% confidence intervals (CI) of gastric adenocarcinoma in relation to calorie-adjusted intake of quercetin
| Quercetin intake in quintiles (mg/day) | Controls | Cardia cancer |
Noncardia cancer |
Noncardia cancer |
|||||
| Intestinal |
Diffuse |
||||||||
| Cases | OR (95% CI) | Cases | OR (95% CI) | Cases | OR (95% CI) | Cases | OR (95% CI) | ||
| 0.16–3.88 | 223 | 28 | 1.0 | 124 | 1.0 | 73 | 1.0 | 47 | 1.0 |
| 3.89–6.02 | 223 | 11 | 0.39 (0.18–0.83) | 99 | 0.76 (0.54–1.06) | 58 | 0.75 (0.50–1.12) | 29 | 0.59 (0.35–0.99) |
| 6.03–8.17 | 223 | 12 | 0.44 (0.21–0.91) | 69 | 0.52 (0.36–0.74) | 34 | 0.45 (0.28–0.71) | 27 | 0.48 (0.28–0.82) |
| 8.18–11.88 | 224 | 11 | 0.45 (0.22–0.95) | 61 | 0.50 (0.34–0.72) | 33 | 0.50 (0.31–0.80) | 23 | 0.43 (0.24–0.75) |
| ≥11.89 | 223 | 19 | 0.76 (0.40–1.44) | 67 | 0.57 (0.40–0.83) | 32 | 0.51 (0.32–0.82) | 27 | 0.54 (0.31–0.92) |
| χ2 for trend | (P value) | 0.87 (0.35) | 14.48 (<0.001) | 12.10 (<0.001) | 6.98 (0.008) | ||||
a
Adjusted for age, gender, socioeconomic status, number of siblings, body mass index, smoking and energy and salt intake.