Table 3.
40-μs RE Regression ANOVA Results
| Degrees of Freedom | Sum of Squares | p Value | |
|---|---|---|---|
| Direct effect | 1 | 364 | 0.1780 |
| Spline of PEF | 4 | 108,475 | <0.0001 |
| Interaction | 4 | 16,422 | <0.0001 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.