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Table 2 Spearman's correlation matrix between MMPs and oxidative balance in apical lesions and healthy periodontal ligament.

From: Pro-oxidant status and matrix metalloproteinases in apical lesions and gingival crevicular fluid as potential biomarkers for asymptomatic apical periodontitis and endodontic treatment response

 

proMMP-9

aMMP-9

proMMP-2

aMMP-2

TOS

TAS

 

AL

PDL

AL

PDL

AL

PDL

AL

PDL

AL

PDL

AL

PDL

proMMP-9

1

1

---

---

---

---

---

---

---

---

---

---

aMMP-9

-0.3

-0.2

1

1

---

---

---

---

---

---

---

---

proMMP-2

0.2

0.6

0.1

-0.4

1

1

---

---

---

---

---

---

aMMP-2

0.28

0.4

0.3

-0.2

0.4

0.3

1

1

---

---

---

---

TOS

0.3

-0.6

-0.3

0.4

0.6

-0.4

0.7

0.03

1

1

---

---

TAS

-0.01

-0.3

0.1

-0.6

-0.6

0.2

-0.6

0.17

-0.8*

0.05

1

1

Lesion size

0.03

---

0.38

---

0.4

---

0.7

---

0.6 #

---

-0.6

---

  1. AL: apical lesions, n = 9; PDL periodontal ligament, n = 11. Each box shows respective rho. Bolds show significant correlations; *p = 0.009; #p = 0.02.