The Predictive Value of Cystatin C in Monitoring of B Non-Hodgkin Lymphomas: Relation to Biochemical and Clinical Parameters

Table 4

Correlation of cystatin C with clinical stage of the disease and IPI.

Group	No.	Clinical stage					Correlation coefficient (r)	P value
		I	II		III	IV
All patients^a	52	3	24		21	4	0,250	0,074
Aggressive	41	2	19		17	3	0,313^∗	0,046
Extranodal	23	2	12		7	2	0,242	0,265
Nodal	18	—	7		10	1	0,476^∗	0,046
			IPI stage
		0	1	2	3	4
Aggressive	41	3	13	13	7	5	0,488^∗∗	0,001
Extranodal	23	—	8	8	3	4	0,398	0,060
Nodal	18	4	4	5	4	1	0,575^∗	0,013

∗Statistically significant correlation.
^aTotal group of patients.
**Statistically highly significant correlation.