Table 4.

Comparison of the HLS among groups, in days, from 2011 to 2016 (n = 98, unless stated otherwise).

Characteristics	Number	P value
Comorbidities		p > 0.05
Yes	4.05 ± 1.87
No	4.00 ± 1.16
History of previous recurrent tonsillitis		p > 0.05
Yes	3.97 ± 1.47
No	4.22 ± 2.03
Occurrence of complications (n = 83)a		p < 0.05
Yes	7.00 ± 2.64
No	3.96 ± 1.73
Drainage of the abscess at the admission (n = 83)b		p > 0.05
Yes	4.13 ± 1.54
No	3.83 ± 2.51
History of previous DNI		p > 0.05
Yes	4.01 ± 1.80
No	4.25 ± 2.14

DNI: deep neck infection.

^a15 patients transfered to the hospital of local residency were excluded.

^bPatients with peritonsillar cellulitis were excluded.