Table 3. Correlation of TFF2 serum and urine concentrations with clinical and kidney function parameters.

	Serum TFF2	Urine TFF2
Age (113 pairs)	r = 0.34, p < 0.001*	r = 0.05, p = 0.6
Urine protein (111 pairs)	r = 0.22, p = 0.02	r = 0.05, p = 0.6
Creatinine clearance (32 pairs)	r = - 0.64, p < 0.001*	r = 0.18, p = 0.3
Protein:creatinine ratio(111 pairs)	r = 0.21, p = 0.03	r = - 0.1, p = 0.3
eGFR (113 pairs)	r = - 0.43, p < 0.001*	r = 0.37, p < 0.001*
CRP (113 pairs)	r = 0.22, p = 0.2	r = - 0.18, p = 0.9

Asterisks indicate significance (* p < 0.001).