Table 6: The statistically significant correlations between investigated parameters (N = 80).
Parameters |
rho |
p |
Lactoferrin (ng/mL)-LPO (ng/ml) |
0.405 |
0.001 |
Lactoferrin (ng/mL)-TAS (mmol Trolox equiv./L) |
0.586 |
0.001 |
Lactoferrin (ng/mL)- TOS (umol H2O2 equiv./L) |
0.500 |
0.001 |
Lactoferrin (ng/mL)-OSI |
0.331 |
0.003 |
LPO (ng/mL)-sIgA (µg/mL) |
0.250 |
0.026 |
LPO (ng/mL)-TOS (umol H2O2 equiv./L) |
0.227 |
0.043 |
LPO (ng/mL)-OSI |
0.269 |
0.016 |
TAS (mmol Trolox equiv./L)-TOS (umol H2O2 equiv./L) |
0.451 |
0.001 |
TOS (umol H2O2 equiv./L)-OSI |
0.847 |
0.001 |
PPD (mm)- Lysozyme (ng/mL) |
0.383 |
0.001 |
NT- Lactoferrin (ng/mL) |
0.233 |
0.038 |
CAL (mm)- Lysozyme (ng/mL) |
0.324 |
0.003 |
PESA (mm2)- Lactoferrin (ng/mL) |
-0.308 |
0.005 |
PESA (mm2)-LPO (ng/ml) |
-0.225 |
0.045 |
PESA (mm2)- Lysozyme (ng/mL) |
0.299 |
0.007 |
PISA (mm2)- Lysozyme (ng/mL) |
0.369 |
0.001 |
SFR (mL/min)-PPD (mm) |
-0.339 |
0.004 |
SFR (mL/min)-AL (mm) |
-0.276 |
0.021 |
SFR (mL/min)- Lysozyme (ng/mL) |
-0.265 |
0.026 |
AL: clinical attachment loss, IgA: immunoglobulin A, LPO: lactoperoxidase, sIgA: salivary immunoglobulin A. SD: standard deviation, SFR: salivary flow rate, OSI: oxidative stress index, TAS: Total antioxidant status, TOS: Total oxidant status. PPD: probing pocket depth, PISA: periodontal inflamed surface area, PESA: periodontal epithelial surface area, (Spearman correlation analysis, P < 0.05).