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

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

		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
Age	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
FBS	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
HbA1C	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
DMFT	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
PDI	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
s-IgA	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
s-Amylase	P-value	0.455	0.613	0.613	0.512	0.504	0.281	–

s-IgA, salivary immunoglobulin A; s-amylase, salivary amylase. Significant at <0.05 levels