. Author manuscript; available in PMC: 2018 Jan 1.

Published in final edited form as: Caries Res. 2016 Nov 16;51(1):1–6. doi: 10.1159/000450658

Table 1.

Bivariate associations between study variables

	Unstimulated Salivary Flow Rate (ml/minute)	Unstimulated Salivary pH	Unstimulated Salivary Buffering Capacity	Dental Caries Prevalence (total number of decayed, missing, or filled primary and permanent tooth surfaces [dmfs+DMFS])
Unstimulated Salivary Flow Rate^@	–	0.23^*	0.06	0.04
Unstimulated Salivary pH^@	–	–	0.40^**	−0.25^*
Unstimulated Salivary Buffering Capacity^@	–	–	–	−0.07
Age^@	0.08	−0.50^**	−0.19	0.35^**
Antibiotic Use^#	No: 0.26 Yes: 0.29	No: 7.1 Yes: 7.1	No: 4.2 Yes: 4.3	No: 1.86 Yes: 2.98

Significance of Spearman’s rank correlation coefficient is reported using the following convention:

^**

P < 0.01

P < 0.05.

Indicates means. None of the relationships between antibiotic use and variables were statistically significant from the t-test.