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Table 3 Spearman’s correlation analysis of various parameters

From: Diagnostic performance of serum cystatin C and complement component 1q in lupus nephritis

 

Urea

Creat

Urea/Creat

CysC

eGFRCysC

eGFRCreat

C1q

HC group

CysC

r

0.225

0.561

− 0.223

1

− 0.977

− 0.538

0.092

P

0.000

0.000

0.000

–

0.000

0.000

0.040

C1q

r

0.028

− 0.056

0.086

0.092

− 0.089

0.055

1

P

0.534

0.217

0.055

0.040

0.048

0.218

–

SLE group

CysC

r

0.289

0.548

− 0.042

1

− 0.945

− 0.478

− 0.020

P

0.000

0.000

0.204

–

0.000

0.000

0.556

C1q

r

− 0.012

0.039

− 0.032

− 0.020

− 0.016

− 0.068

1

P

0.721

0.242

0.342

0.556

0.632

0.041

–

LNA group

CysC

r

0.656

0.716

− 0.099

1.000

− 1.000

− 0.728

− 0.039

P

0.000

0.000

0.071

–

0.000

0.000

0.473

C1q

r

0.000

− 0.029

0.012

− 0.039

0.039

− 0.011

1.000

P

0.996

0.603

0.832

0.473

0.474

0.838

–

LNI group

CysC

r

0.661

0.819

− 0.037

1

− 0.883

− 0.684

0.103

P

0.000

0.000

0.552

–

0.000

0.000

0.101

C1q

r

0.068

0.039

0.006

0.103

− 0.076

− 0.109

1

P

0.280

0.537

0.924

0.101

0.228

0.082

–

  1. Spearman’s correlation analysis was applied to identify the associations between CysC or C1q and other parameters
  2. r correlation coefficient, CysC cystatin C, C1q complement component 1q