Table 3.
Risk of all-cause mortality, breast cancer-specific mortality, and additional breast cancer event by inflammatory status using serum CRP concentrations in breast cancer survivors in the Women's Healthy Eating and Living Study
| Model 1a | Model 2b | Model 3c | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Models of association by serum CRP |
No. of Events |
N | HR | 95% CI | Ptrend | HR | 95% CI | Ptrend | HR | 95% CI | Ptrend |
| All-cause Mortality | |||||||||||
| Inflammatory Status | <0.001 | 0.005 | 0.006 | ||||||||
| No inflammation, CRP <1 mg/L | 61 | 981 | 1.00 | referrent | 1.00 | referrent | 1.00 | referrent | |||
| Low, CRP 1 to 3 mg/L | 66 | 933 | 1.01 | 0.71–1.44 | 0.99 | 0.69–1.43 | 0.98 | 0.68–1.42 | |||
| Moderate, CRP >3 to <10 mg/L | 73 | 750 | 1.41 | 0.99–2.00 | 1.32 | 0.89–1.96 | 1.30 | 0.88–1.93 | |||
| Acute, CRP ≥10 mg/L | 36 | 255 | 2.12 | 1.38–3.23 | 1.96 | 1.22–3.13 | 1.92 | 1.20–3.08 | |||
| lnCRP | 236 | 2919 | 1.21 | 1.09–1.34 | 1.19 | 1.06–1.34 | 1.19 | 1.05–1.34 | |||
| Breast cancer Mortality | |||||||||||
| Inflammatory Status | 0.004 | 0.03 | 0.03 | ||||||||
| No inflammation | 51 | 981 | 1.00 | referent | 1.00 | referrent | 1.00 | referrent | |||
| Low Inflammation | 56 | 933 | 1.10 | 0.75–1.62 | 1.07 | 0.71–1.59 | 1.07 | 0.72–1.59 | |||
| Moderate Inflammation | 53 | 750 | 1.33 | 0.90–1.97 | 1.22 | 0.78–1.90 | 1.22 | 0.78–1.91 | |||
| Acute Inflammation | 28 | 255 | 2.10 | 1.30–3.38 | 1.91 | 1.13–3.23 | 1.88 | 1.11–3.18 | |||
| lnCRP | 188 | 2919 | 1.18 | 1.06–1.33 | 1.16 | 1.02–1.32 | 1.16 | 1.01–1.31 | |||
| Additional breast cancer events | |||||||||||
| Inflammatory Status | 0.01 | 0.02 | 0.03 | ||||||||
| No inflammation | 126 | 981 | 1.00 | referrent | 1.00 | referrent | 1.00 | referrent | |||
| Low Inflammation | 126 | 933 | 1.06 | 0.82–1.36 | 1.08 | 0.82–1.40 | 1.06 | 0.82–1.38 | |||
| Moderate Inflammation | 111 | 750 | 1.12 | 0.86–1.45 | 1.14 | 0.85–1.53 | 1.12 | 0.83–1.50 | |||
| Acute Inflammation | 54 | 255 | 1.67 | 1.20–2.31 | 1.69 | 1.17–2.43 | 1.65 | 1.15–2.38 | |||
| lnCRP | 417 | 2919 | 1.12 | 1.04–1.21 | 1.14 | 1.04–1.24 | 1.13 | 1.03–1.24 | |||
Abbreviation: HR, hazard ratio; 95% CI, 95 percent confidence interval, CRP, C-reactive protein; BMI, body mass index
Adjusted for age (continuous), time since dx, disease stage, disease grade, and race-ethnicity
Adjusted for age (continuous), time since dx, disease stage, disease grade, race-ethnicity, and BMI (categorical)
Adjusted for age (continuous), time since dx, disease stage, disease grade, race-ethnicity, BMI (categorical), anti-estrogen use and estrogen receptor/progesterone receptor status