Table 4

Hysterectomy and risk of renal cell carcinoma stratified by other risk factors

CasesaControlsbORc (95% CI)
Cigarette smoking
 Never70531.9 (1.2–3.1)
 Ever107721.4 (0.9–2.2)
History of hypertension
 No98831.6 (1.1–2.5)
 Yes79421.6 (0.97–2.7)
Body mass index (kg/m2)
 Below mediand93861.4 (0.96–2.2)
 Above median84391.8 (1.1–3.0)
Cruciferous vegetable intake (times/yr)
 Below mediane94591.6 (1.03–2.4)
 Above median83661.6 (1.03–2.6)
Regular use of analgesics
 No72651.6 (1.1–2.5)
 Yes105601.7 (1.1–2.6)
Regular use of amphetamines
 No1541161.6 (1.2–2.2)
 Yes2392.0 (0.4–9.4)
  • a Number of cases with a history of hysterectomy within the specified subgroup.

  • b Number of controls with a history of hysterectomy within the specified subgroup.

  • c Reference group, no history of hysterectomy. ORs were computed using unconditional logistic regression models that included age, level of education (high school or less, college or above), and all of the other risk factors listed in the table.

  • d Median, 24.4 kg/m2.

  • e Median, 159.5 times/yr.