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. 2020 Jun 23;20:589. doi: 10.1186/s12885-020-07089-5

Table 2.

Multivariate-adjusted HRs for prostate cancer according to BMI and WC

Event Person-years Incidencea HR (95% confidence interval) b P value
BMI, kg/m2
  <  18.5 466 322,751 144.38 0.93 (0.85, 1.02) 0.143
 18.5–22.9 7338 4,841,077 151.57 Ref.
 23.0–24.9 6775 4,218,668 160.59 1.12 (1.08, 1.16) < .001
 25.0–29.9 7560 5,039,457 150.01 1.05 (1.03, 1.08) 0.007
  ≥ 30 445 319,345 139.34 0.98 (0.89, 1.08) 0.650
WC, cm
  < 85 3833 7,206,600 142.54 0.91 (0.88, 0.94) < .001
 85–90 4260 3,744,368 156.98 Ref.
 90–95 4363 2,398,016 166.34 0.99 (0.95, 1.03) 0.703
  ≥ 95 716 1,392,314 175.53 0.97 (0.92, 1.02) 0.179
cP for interaction <  0.05

BMI body mass index, WC waist circumference, HR hazard ratio

aAll rates are expressed as number per 100,000 person-years

bAdjusted for age, diabetes, hypertension, dyslipidemia, smoking status, and alcohol consumption

cP for interaction between BMI and WC