Table 4.
Difference in geometric mean protein RFU signal values by age, fasting status, and body mass index.
| Persons, N | All proteins (N = 1,305) |
Proteins with CV < 20% and ICC or Spearman r (0 vs. 24 hr) ≥0.75 (N = 796) |
|||
|---|---|---|---|---|---|
| Median % difference (10th, 90th percentiles) |
% within ±15% of referent | Median % difference (10th, 90th percentiles) | % within ±15% of referent | ||
| Age (years)a | |||||
| <50 | 14 | Referent | Referent | Referent | Referent |
| 50–59 | 22 | −3.7 (−17.6, 14.7) | 76 | −4.1 (−18.0, 16.9) | 73 |
| ≥60 | 31 | −4.0 (−16.4, 13.3) | 79 | −3.5 (−16.2, 16.3) | 78 |
| Fasting time (hours)b | |||||
| <8 | 19 | Referent | Referent | Referent | Referent |
| ≥8 | 48 | −1.7 (−13.0, 8.1) | 89 | −3.4 (−16.1, 7.5) | 84 |
| BMI (kg/m2)c | |||||
| <25 | 20 | Referent | Referent | Referent | Referent |
| ≥25 to <30 | 19 | 1.1 (−11.9, 14.1) | 85 | 1.2 (−13.5, 17.2) | 80 |
| ≥30 | 16 | −1.7 (−18.2, 17.9) | 71 | 0.4 (−16.6, 23.9) | 71 |
aAdjusted for fasting time (<8, ≥8 hours).
bAdjusted for age (years, continuous).
cAdjusted for age (years, continuous) and fasting time (<8, ≥8 hours).