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. 2025 Aug 12;15(8):e101532. doi: 10.1136/bmjopen-2025-101532

Table 2. HRs of all-cause and cause-specific mortalities according to C-reactive protein levels in cohort participants.

C-reactive protein Person-years Death cases Mortality
(1/1000 person-years)
Crude HR (95% CI) P value Adjusted HR* (95% CI) P value
All-cause mortality
 <1 mg/L 72 821 585 8.03 ref. ref.
 1–3 mg/L 13 292 177 13.32 1.67 (1.42 to 1.98) <0.001 1.29 (1.09 to 1.53) 0.003
 >3 mg/L 8961 158 17.63 2.23 (1.87 to 2.66) <0.001 1.53 (1.28 to 1.83) <0.001
Cardiovascular mortality
 <1 mg/L 72 821 244 3.35 ref. ref.
 1–3 mg/L 13 292 73 5.49 1.68 (1.29 to 2.18) <0.001 1.22 (0.94 to 1.58) 0.139
 >3 mg/L 8961 75 8.37 2.58 (1.99 to 3.34) <0.001 1.71 (1.32 to 2.22) <0.001
Cancer mortality
 <1 mg/L 72 821 182 2.50 ref. ref.
 1–3 mg/L 13 292 58 4.36 1.79 (1.33 to 2.41) <0.001 1.51 (1.12 to 2.03) 0.007
 >3 mg/L 8961 42 4.69 1.98 (1.41 to 2.77) <0.001 1.56 (1.11 to 2.18) 0.010
*

Adjusted for age, sex, area, marriage status, education, current smoking, alcohol consumption, physical activity, body mass index, systolic blood pressure, diastolic blood pressure, type 2 diabetes, dyslipidaemia and chronic kidney disease.