Table 2.

Multiple logistic regression model to determine the signs and symptoms which were positively or negatively (i.e. odds ratio <1) associated with the isolation of group A streptococcus (GAS) from Bamako schoolchildren with sore throat.

	Number (%) with symptom who have GAS	Number (%) without symptom who have GAS	Multivaria te Odds Ratio	95% Confiden ce Limit	p-value in multiple regressi on
Tender cervical lymph nodes	403 (30.0)	96 (20.6)	3.06	2.17–4.33	<0.0001
Tonsillar exudate	152 (47.1)	347 (23.4)	2.69	2.04–3.54	<0.0001
Tonsillar hypertrophy	334 (30.4)	165 (23.2)	1.49	1.16–1.93	0.002
Chills	129 (27.9)	370 (27.5)	1.37	1.03–1.81	0.030
Uvular erythema	159 (30.5)	340 (26.4)	1.32	1.02–1.70	0.034
Cough	177 (21.7)	322 (32.5)	0.72	0.57–0.91	0.005
Malaise	168 (23.5)	331(30.2)	0.67	0.52–0.87	0.003
Hoarseness	103 (21.5)	396 (29.8)	0.65	0.48–0.87	0.003