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Table 4 Correlations among age, FBS, HbA1C, DMFT, PDI, s-IgA, and s-amylase within healthy subjects

From: Association of salivary levels of immunoglobulin-a and amylase with oral-dental manifestations in patients with controlled and non-controlled type 2 diabetes

  Age FBS HbA1C DMFT PDI s-IgA s-Amylase
Age Pearson’s Correlation 1.000 − 0.135 −0.255 0.641 0.514 0.307 − 0.142
P-value – 0.478 0.174 0.000 0.004 0.099 0.455
FBS Pearson’s Correlation −0.135 1.000 0.669 0.011 −0.039 0.05 0.096
P-value 0.478 – 0.000 0.953 0.836 0.791 0.613
HbA1C Pearson’s Correlation −0.255 0.669 1.000 −0.108 − 0.258 − 0.055 − 0.096
P-value 0.174 0.000 – 0.570 0.168 0.774 0.613
DMFT Pearson’s Correlation 0.641 0.011 −0.108 1.000 0.720 0.444 −0.125
P-value 0.000 0.953 0.570 – 0.000 0.014 0.512
PDI Pearson’s Correlation 0.514 −0.039 − 0.258 0.720 1.000 0.386 −0.127
P-value 0.004 0.836 0.168 0.000 – 0.035 0.504
s-IgA Pearson’s Correlation 0.307 0.05 −0.055 0.444 0.386 1.000 0.203
P-value 0.099 0.791 0.774 0.014 0.035 – 0.281
s-Amylase Pearson’s Correlation −0.142 0.096 −0.096 − 0.125 −0.127 0.203 1.000
P-value 0.455 0.613 0.613 0.512 0.504 0.281 –
  1. s-IgA, salivary immunoglobulin A; s-amylase, salivary amylase. Significant at <0.05 levels
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