Table 3.

Multivariate analysis of factors influencing Legionella pneumophila positivity

Variable	Adjusted odds ratio	95% CI	P-value
Neurological conditions	4.17	0.79–21.9	0.093
Renal disease	3.40	0.99–11.5	0.050
Confusion	1.80	0.57–5.63	0.310
Abdominal pain	1.28	0.31–5.23	0.735
Diarrhoea	2.38	0.64–8.76	0.191
Mechanical ventilation	2.23	0.64–7.6	0.203
Leukocytosis	2.91	0.76–11.10	0.118
Elevated liver enzymes	1.69	0.53–5.38	0.368

Bold text indicates statistical significance.