Table 6. Regression Analysis for Glomerular CD68 Infiltration in a 1:1 Matched Cohort.

Parameter	β coefficient	p value
Univariate analysis
Age	0.003±0.014	0.803
Smoking dose	0.006±0.021	0.767
Hypertension	-0.316±0.364	0.388
eGFR at time of diagnosis	0.006±0.007	0.409
Serum creatinine at time of diagnosis	-0.184±0.283	0.518
Spot UPCR at time of diagnosis	-0.041±0.157	0.797
IgA nephropathy, Haas grade	-0.095±0.151	0.530
Global sclerosis (%)	-0.004±0.009	0.648
Segmental sclerosis (%)	0.010±0.014	0.504
Mesangial α-SMA positive area (%)	-0.357±0.981	0.718
Tubular atrophy	0.206±0.235	0.382
Interstitial fibrosis	-0.111±0.248	0.655
Arteriolar hyalinosis	0.195±0.389	0.618
Arterial fibrointimal thickening	0.528±0.507	0.301
Multivariate analysis (%)
Global sclerosis	-0.030±0.011	0.008
Segmental sclerosis	0.067±0.019	0.001

UPCR, urine protein/creatinin ratio; eGFR, estimated glomerular filtration rate; α-SMA, alpha-smooth muscle actin.