Methods
All necessary approvals obtained and all participants’ data handled
according to University Hospital of Larissa scientific committee’s
regulations, Helsinki and HIPAA regulations.
A retrospective study of 743 consecutive DNIs treated over the period
January 2011-December 2019 was conducted. STROBE guideline has been
followed. Diagnosis was suspected by clinical history and findings and
confirmed by imaging. Data of patients with abscess contained only for
PMS, including demographics, clinical information, bacteriology and
treatment were exported and analyzed. PMA cases with pus extension to
peritonsillar or any other neck space were excluded. Means are reported
with SDs. Χ2 test was used for comparisons;
p<0.05 was considered significant. Data analysis was performed
with SPSS 20 software (IBM, Chicago, IL, USA).