Table 5. Correlations of mean urinary plasmin levels among SLE cases with different disease variables.

Case group (n=50)	Statistical test (r)	p
Age	0.13	0.37
Disease duration	0.362	0.01*
Hemoglobin %	0.315	0.26
Red blood cells	0.076	0.60
Platelets	0.261	0.067
Total leucocyte count	0.239	0.095
Erythrocyte sedimentation rate 1st h	0.560	<0.001**
C-reactive protein	0.804	<0.001**
24 h urinary proteins	0.237	0.004**
Serum creatinine	0.041	0.02*
Blood urea	0.728	<0.001**
Anti double stranded deoxyribonucleic acid	0.085	0.559
Anti-nuclear antibodies	0.223	0.12
Complement 3	-0.133	0.03*
Complement 4	-0.320	0.02*
Systemic lupus erythematosus disease activity score	0.631	<0.001**
Systemic lupus international collaborating clinic damage index	0.339	0.016*
Renal systemic lupus erythematosus disease activity score	0.341	0.015*
Renal pathology staging	0.023	0.41
Activity index	0.188	0.01*
Chronicity index	-0.222	0.12
SLE: Systemic lupus erythematosus; * p<0.05 significant. ** p<0.001 highly significant.