Table 2.

Results of linear regression model using generalized estimating equation method for glomerular filtration rate

Predictors	Estimate	SE	95% CI	P value
(Intercept)	118.504	13.758	91.539–145.469	<0.001
Group
B	6.066	2.355	1.450–10.683	0.010
A	0.000
Stage
5	−24.133	3.396	−30.789–17.477	<0.001
4	−7.622	4.053	−15.567–0.322	0.060
3	0.000
Time (months)
18	2.057	4.484	−6.730–10.845	0.646
15	3.210	3.359	−3.374–9.795	0.339
12	5.241	3.703	−2.017–12.499	0.157
9	3.400	3.471	−3.402–10.203	0.327
6	3.657	3.091	−2.401–9.716	0.237
3	5.046	3.798	−2.398–12.490	0.184
Baseline	0.000
LDL	−0.143	0.048	−0.236–0.049	0.003
CA	−8.662	1.689	−11.973–5.350	<0.001

Abbreviations: LDL, low density lipoprotein; CA, calcium; SE, standard error of the mean; CI, confidence interval.