Correlation between Tarplay's index of labial salivary gland biopsies and patients with positive Sjorgren syndrome was established by means of Fisher's exact test. χ test was used to determine the association between secondary SS syndrome patients and related systemic diseases.
La correlación entre el índice de Tarplay de las biopsias de glándulas salivales labiales y los pacientes con síndrome de Sjögren positivo se estableció mediante la prueba exacta de Fisher.