Table 4 The differences of urine NGAL and MMP-9 between the control and CKD subgroups

uNGAL (ng/ml) ^d

0.5 (0.3–0.6) ^{a, b} n = 12

0.3 (0.2–0.5) ^a

n = 23

0.5 (0.3–0.9) ^b

n = 18

0.6 (0.3–1.2) ^b

n = 11

UNCR (10^− 6) ^d

0.17 (0.1–0.3) ^a

n = 12

0.17 (0.1–0.5) ^a

n = 23

0.605 (0.3–1.4) ^b

n = 18

1.33 (0.9–2.7) ^c

n = 11

NGAL Monomer ^e

0% (0/12)

20% (5/25)

63.2% (12/19)

81.8% (9/11)

NGAL Dimer ^e

0% (0/12)

20% (5/25)

0% (0/19)

0% (0/11)

NGAL/MMP-9 ^e

58.3% (7/12)

60% (15/25)

84.2% (16/19)

90.9% (10/11)