Table 3.

Multivariate multinomial logistics model.

Rhinovirus versus Co-infection	OR	95% CI	P
Age at symptoms’ onset, months	0.986	0.281–3.455	0.982
Vaginal delivery	0.273	0.013–5.804	0.405
Cough duration, days	0.737	0.517–1.050	0.091
Whooping	1.031	0.355–29.970	0.986
White cell count > max for age	0.020	0.000–3.235	0.132
Antibiotic treatment before admission	0.510	0.006–46.836	0.771
MIP-1alpha	1.001	0.998–1.003	0.637
MIP-1beta	1.002	1.000–1.005	0.097
IP-10	0.998	0.995–1.001	0.120
LPS	1.027	0.921–1.145	0.632

Bordetella versus Co-infection	OR	95% CI	P
Age at onset of symptoms, months	0.654	0.314–1.363	0.257
Vaginal delivery	1.649	0.200–13.566	0.642
Cough duration, days	0.956	0.805–1.135	0.605
Whooping	2.908	0.3556–23.784	0.319
White cell count > max for age	1.099	0.102–11.877	0.938
Antibiotic treatment before admission	0.065	0.007–0.578	0.014
MIP-1alpha	0.997	0.993–1.000	0.089
MIP-1beta	1.001	0.999–1.002	0.221
IP-10	0.997	0.993–1.000	0.036
LPS	1.073	0.995–1.158	0.067