Research Article

Comparison of the Microbiota and Inorganic Anion Content in the Saliva of Patients with Gastroesophageal Reflux Disease and Gastroesophageal Reflux Disease-Free Individuals

Table 1

Demographic and clinical characteristics of GERD-free controls and patients with GERD.

VariablesGERD-free controls ()Patients with GERD () value

Female (%)50.035.70.74
Age ()0.75
Current smoker (%)16.728.60.80
Past smoker (%)25.014.30.85
Number of teeth0.74
Toothbrushing frequency ()0.73

aChi2 test with Yates correction: categorical variables. bStudent’s -test: normal distribution of metric values ().