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Table 3 Odds ratios of breast cancer risk in relation to p-mTOR expression associated with body size measurements by tumor ER status

From: Body fatness and breast cancer risk in relation to phosphorylated mTOR expression in a sample of predominately Black women

Body size measurement   ER+ tumors    ER– tumors  
p-mTOR overexpressed cases vs controls p-mTOR negative/low cases vs controls P-heterogeneity p-mTOR overexpressed cases vs controls p-mTOR negative/low cases vs controls P-heterogeneity
OR (95% CI) OR (95% CI)   OR (95% CI) OR (95% CI)  
BMI, kg/m2
 No. of cases/no. of controls 164/1973 309/1973   25/1973 211/1973  
  < 25 1.00 [reference] 1.00 [reference]   1.00 [reference] 1.00 [reference]  
 25–29.99 1.29 (0.77–2.16) 1.02 (0.72–1.45)   0.83 (0.23–2.99) 1.00 (0.68–1.49)  
 30–34.99 1.48 (0.87–2.52) 1.33 (0.92–1.91)   1.72 (0.54–5.48) 0.84 (0.54–1.31)  
  ≥ 35 1.39 (0.82–2.34) 0.75 (0.51–1.11) 0.015 0.90 (0.25–3.25) 0.61 (0.39–0.96) 0.09
P-trend 0.27 0.18   0.97 0.015  
WC
 No. of cases/no. of controls 162/1955 304/1955   25/1955 206/1955  
 Q1 1.00 [reference] 1.00 [reference]   1.00 [reference] 1.00 [reference]  
 Q2 1.65 (0.90–3.01) 1.09 (0.74–1.60)   1.81 (0.32–10.1) 1.09 (0.70–1.70)  
 Q3 2.28 (1.28–4.06) 1.36 (0.93–1.98)   4.70 (1.00–22.07) 1.04 (0.57–1.63)  
 Q4 1.93 (1.06–3.51) 1.01 (0.67–1.50) 0.26 2.60 (0.50–13.6) 0.83 (0.52–1.32) 0.55
P-trend 0.050 0.97   0.25 0.31  
WHR
 No. of cases/no. of controls 162/1955 304/1955   25/1955 206/1955  
 Q1 1.00 [reference] 1.00 [reference]   1.00 [reference] 1.00 [reference]  
 Q2 1.17 (0.57–2.04) 1.34 (0.91–1.98)   1.58 (0.26–9.59) 1.34 (0.85–2.10)  
 Q3 1.54 (0.91–2.60) 1.47 (1.00–2.15)   5.35 (1.16–24.71) 1.28 (0.80–2.03)  
 Q4 1.69 (1.01–2.84) 1.37 (0.93–2.03) 0.36 3.42 (0.68–17.16) 1.60 (0.99–2.58) 0.89
P-trend 0.027 0.14   0.08 0.38  
  1. Abbreviations: BMI body mass index, ER estrogen receptor, OR odds ratio, Q quartile, WC waist circumference, WHR waist-to-hip ratio
  2. Models adjusted for age, race, family history of breast cancer, menopausal status, age of menarche, parity, history of breastfeeding, oral contraceptive use, and history of diabetes