Time period | Reference level | Quartiles | 5th-percentile versus | P-value | |||
---|---|---|---|---|---|---|---|
95th-percentile | |||||||
Normal | Elevated | Lowest | Highest | 5th-percentile | 95th-percentile | ||
One week | 0.1% | 2.7% | 0 % | 4.2% | 0% | 10.6% | P <0.01 for all |
0-3 months | 3.2% | 14.5% | 3.0% | 20.0% | 1.5% | 43.9% | P <0.01 for all |
0-12 months | 8.7% | 27.6% | 7.6% | 34.8% | 3.0% | 54.5% | P <0.01 for all |
Entire study | 57.5% | 82.9% | 50.9% | 88.2% | 50.0% | 89.4% | P <0.01 for all |