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. 2018 May 17;13(5):e0197497. doi: 10.1371/journal.pone.0197497

Table 3. Hazard ratios for Cox models with follow-up starting at round 3.

Death from CHD
GDF-15 HR per IQR increase (95% CI) p-value
round 3 1.99 (1.57, 2.53) <0.001
delta round 3—round 1 1.01 (0.85, 1.2) 0.93
delta round 3—round 2 1.03 (0.83, 1.29) 0.76
CRP
round 3 1.66 (1.31, 2.12) <0.001
delta round 3—round 1 0.95 (0.77, 1.16) 0.61
delta round 3—round 2 0.93 (0.73, 1.19) 0.58
Cystatin C
round 3 1.5 (1.23, 1.83) <0.001
delta round 3—round 1 0.91 (0.79, 1.05) 0.18
delta round 3—round 2 1.25 (1.1, 1.43) <0.001
HF
GDF-15
round 3 1.74 (1.38, 2.29 <0.001
delta round 3—round 1 1.16 (0.99, 1.36) 0.066
delta round 3—round 2 1.21 (0.97, 1.5) 0.085
CRP
round 3 1.43 (1.14, 1.8) 0.0023
delta round 3—round 1 0.83 (0.69, 0.99) 0.043
delta round 3—round 2 0.85 (0.7, 1.05) 0.13
Cystatin C
round 3 1.1 (0.89, 1.36) 0.37
delta round 3—round 1 1.06 (0.93, 1.2) 0.40
delta round 3—round 2 1.09 (0.91, 1.29) 0.35

Hazard ratios are presented for the round 3 measurement of GDF-15, CRP and Cystatin C and for the differences (delta) between rounds 3 and 1 and round 3 and 2. GDF-15, CRP and Cystatin C included used after log-transformation. The models adjusted for age, sex, overweight (BMI > 25 kg/m2), systolic blood pressure, diabetes, daily smoker and renal insufficiency (eGFR > 60 ml/min or 1.73m3). The models including a delta are additionally adjusted for the corresponding marker round 3 measurement. By “delta round 3 –round i”, i = 1 or 2, it is meant the (absolute) difference of the marker values at rounds 3 and i, that is, marker value at round 3 minus marker value at round i.