Table 4.
Time to Diagnosis (y) | Hazard Ratioa | 95% Confidence Interval | P Value |
Before ≥2 | 1.08 | 0.88, 1.33 | .47 |
1–2 | 1.09 | 0.75, 1.59 | .66 |
0.5–1 | 1.41 | 1.02, 1.96 | .04 |
≤0.5 | 1.15 | 0.82, 1.61 | .43 |
After diagnosis | 1.09 | 0.87, 1.38 | .46 |
Hazard ratio expressed per 1 SD increase of the human herpes virus type 6 (HHV-6) immunoglobulin G antibody level.