Renal Transplant Patients Biopsied for Cause and Tested for C4d, DSA, and IgG Subclasses and C1q: Which Humoral Markers Improve Diagnosis and Outcomes?

Table 10

DSA detected by C1q and IgG subclass.

Patient	C1q	IgG1	IgG2	IgG3	IgG4
1	+	+	+		+
2		+
3		+
4		+			+
5	+	+			+
6	+	+
7	+	+		+
8	+	+	+		+
9	+	+
10		+
11	+	+	+
12	+	+
13	+	+	+		+
14	+	+			+
15	+	+		+	+
16
17	+	+	+		+
18	+	+	+	+	+
19	+	+			+
20	+
21	+	+	+		+
22
23	+	+			+