Table 4.

Mean paired difference and variance between predicted and observed eGFR

Original versus Reclassified Imaging Class	Group	n	Mean Paired Difference (ml/min per 1.73 m2)	95% CI (Paired Difference)	Mean Variance	95% CI (Variance)
Original imaging class	All	541	−0.9	−2.7 to 1	0.77	0.66 to 0.89
	Class 1	516	−1.7	−3.5 to 0.04	0.78	0.66 to 0.91
	Class 2Ae	25	17.6	10.3 to 24.9	27.20	13.6 to 43.8
Reclassified imaging class	All	541	0.1	−1.7 to 1.9	0.73	0.63 to 0.85
	Class 1	516	0.1	−1.6 to 1.9	0.77	0.65 to 0.90
	Class 2Ae	25	4.0	−1.5 to 9.2	7.94	4.54 to 11.64