Table 5. Association between consumption and doneness of grilled and barbecued beef and hamburger and aggressive prostate cancer.
| Rare/Medium Donea | Well & Very-Well Done | P-Trendd | ||||
| Grilled Meat | None | Low Intake | High Intake | Low Intake | High Intake | |
| Beef | ||||||
| Case/Control Medianb | 0/0 | 0.50/0.63 | 1.63/1.63 | 0.63/0.50 | 1.26/1.26 | |
| Cases/Controls (N) | 131/200 | 93/99 | 92/99 | 81/65 | 69/43 | |
| Odds Ratios (95% CI)c | 1.00 | 1.35 (0.94, 1.95) | 1.29 (0.89, 1.88) | 1.92 (1.29, 2.86) | 2.16 (1.37, 3.38) | <0.001 |
| Hamburger | ||||||
| Case/Control Medianb | 0/0 | 0.63/0.63 | 2.00/2.00 | 0.63/0.63 | 2.25/2.00 | |
| Cases/Controls (N) | 117/180 | 60/65 | 47/59 | 113/114 | 128/87 | |
| Odds Ratios (95% CI)c | 1.00 | 1.35 (0.88, 2.07) | 1.12 (0.71, 1.79) | 1.51 (1.06, 2.14) | 2.04 (1.41, 2.95) | <0.001 |
a
Groupings defined so sufficient numbers are in each group given categorical nature of questionnaire.
b
Median of category, servings per week for cases and controls.
c
Odds ratios adjusted for age, race, institution, and energy intake.
d
P-trend values from continuous model across categories.