Noninvasive assessment of clinical and pathological characteristics of patients with IgA nephropathy by diffusion kurtosis imaging

Insights into Imaging

Table 1 A semi-quantitative standard for calculating the scores of glomerular, tubular interstitial and vascular lesions

Scores	Glomerular lesion score			Tubulointerstitial lesion score			Vascular lesion score
Scores	Glomerular cell proliferation (%)	Segmental lesions (%)	Glomerular sclerosis (%)	Interstitial fibrosis (%)	Tubular atrophy (%)	Interstitial inflammatory cell infiltration (%)	Vascular thickening (%)	Hyaline degeneration (%)
1	≤ 25	≤ 10	≤ 10	≤ 25	≤ 25	≤ 25	≤ 10	≤ 25
2	25–50	10–25	10–25	25–50	25–50	25–50	10–25	25–50
3	50–75	25–50	25–50	≥ 50	≥ 50	≥ 50	≥ 25	≥ 50
4	≥ 75	≥ 50	≥ 50	NA	NA	NA	NA	NA