Table 5.

Summary of histological features of activity and chronicity in lupus nephritis

Patients with LN	No. of glomeruli	Activity index							Chronicity index
		ECH	CC	FN	HT	GLI	II	Score	GS	FC	IF	TA	Score
1	17	+	-	+	+	+	++	7	-	-	+	-	1
2	41	-	-	-	-	-	-	0	-	-	-	-	0
3	40	-	-	-	+	-	+	2	+	-	+	+	3
4	22	-	-	-	+	-	-	1	-	-	+	-	1
5	45	+	-	+	+	+	+++	8	+	-	+	+	3
6	27	+	-	-	-	+	+	3	+	-	+	+	3
7	24	-	-	+	+	+	+	5	-	-	+	-	1
8	50	+	+	+	+	+	+	8	+	+	+	+	4
9	28	+	-	+	+	+	++	7	+	-	+	-	2
10	43	+	-	+	+	+	+	6	-	-	+	-	1
11	29	-	-	-	-	-	+	1	-	-	+	-	1
12	23	-	-	-	+	-	++	3	+	+	+	-	3
13	12	-	-	-	+	-	+	2	+	-	+	-	2
14	41	-	-	-	+	-	-	1	-	-	-	-	0
15	18	+	-	+	+	+	+	6	-	-	+	-	1
16	13	+	-	-	-	-	+	2	-	-	+	-	1
17	18	+	-	+	-	+	+++	7	-	-	+	+	2
18	33	-	-	-	-	-	-	0	-	-	-	-	0
19	27	+	+	+	+	+	+++	10	+	+	+	+	4
20	34	+	-	+	+	+	+	6	-	-	-	-	0

LN, lupus nephritis; No, number; ECH, endocapillary hypercellularity; CC, cellular crescents; FN, fibrinoid necrosis; HT, hyaline thrombi; GLI, glomerular leukocytic infiltration; II, interstitial inflammation; GS, glomerular sclerosis; FC, fibrous crescents; IF, interstitial fibrosis; TA, tubular atrophy. Symbols: for all index: -, negative; +, mild; ++, moderate; +++, severe.