Table 3.

Multivariate analysis of complication according to antibiotic treatment.

	Antibiotic treatment	Adjusted OR (95%CI)	PV
Peritonsillar or retropharyngeal abscess	Phenoxymethylpenicillin	Reference
	Amoxicillin	0.75 (0.55–1.02)	0.07
	Amoxicillin/clavulanate	6.26 (4.85–8.09)	<0.001
	Benzathine benzylpenicillin	8.61 (2.71–27.38)	<0.001
	Cephalosporin	2.34 (1.43–3.84)	0.001
	Macrolide	1.85 (1.27–2.69)	0.001
Any complication	Phenoxymethylpenicillin	Reference
	Amoxicillin	0.68 (0.52–0.89)	<0.01
	Amoxicillin/clavulanate	5.28 (4.15–6.71)	<0.001
	Benzathine benzylpenicillin	10.77 (4.37–26.56)	<0.001
	Cephalosporin	2.75 (1.82–4.13)	<0.001
	Macrolide	1.41 (0.98–2.02)	0.06