Table 1.

Data collected for each patient admitted for peritonsillar and DNI, from 2011 to 2016.

Age at the admission (years)

Gender

Hospital length of stay (HLS) (days)

Hospital length of stay superior to 5 days (HLS>5 d), (days)

Seasonal distribution (winter, spring, summer, autumn)

Month at the admission

Year at the admission

Type of DNI (peritonsillar, parapharyngeal, retropharyngeal abscess/cellulitis)

Side of Dni (left, right, bilateral)

Etiology of the abscess/cellulitis

Symptoms at presentation

Time since the beginning of symptoms until admission (days)

Tonsillar Hypertrophy (Friedman Grading Scale) at the admission

History of previous DNI

Site and side of previous DNI

History of recurrent tonsillitis

Comorbidities

Pre- hospital antibiotherapy treatment

Performance of a computed tomography (CT) scan at the admission

Dimension of the abscess in CT scan (mm) (greater axis)

Performance of incision and drainage

Performance of drainage in the operative room

Laboratorial measurements at admission (leucocyte count, neutrophil count, C reactive protein)

Microbiology analysis of DNI

Antibiotherapy during hospital stay

Transfer to the hospital of local residency

Occurrence of complications during hospital stay

Need for surgical reintervention

Need for antibiotherapy adjustment during hospital stay

Need for performance of a CT scan during hospital stay, after admission

DNI: deep neck infection.