Table 5.

Coefficients for dependent variable: glomerular filtration rate following protein load, corrected for body surface area.

Model	Coeff	SE	t	P	95% CI
					Lower	Upper
(Constant)	63.14	23.65	2.67	.010	15.92	110.35
Preterm	−0.79	9.83	−0.08	.936	−20.40	18.825
Birth Size	−28.48	10.84	−2.63	.011	−50.12	−6.835
GFR1Corr*	0.68	0.17	4.07	<.001	0.35	1.01

*GFR before protein load.