Table 2.

The Demographic and Clinical Characteristics of 593 Patients with Community-acquired Pneumonia Associated with Single/mix infections

Characteristics	Single virus	Single bacteria	Mixed viruses	Mixed bacteria/viruses	Mixed bacteria	P value
No. of patients	118	182	28	209	56	_
Age, monthsa	12cd	35cef	12eg	20 f	30dg	<0.01
Gender, % male	62.8	54.0	67.9	56.9	66.1	0.10
Duration of symptoms before admission, daysb	7.0	6.5	6	5.8	7.2	0.43
Antibiotic therapy during preceding 2 weeks, %	76.3	70.2	73.2	66.6	70.5	0.21
Fever, %	35.6cdef	67.5cg	51.8dg	53.7e	57.3f	<0.01
Wheeze, %	50.8c	32.4cdef	51.9d	47.8e	44.1f	<0.01
Dyspnea, %	9.0	7.9	7.7	8.5	8.1	0.41
WBC count, ×109/Lb	11.3	10.2	11.9	11.3	11.8	0.25
Percentage of neutrophilsb	34.9cde	47.9c	40.1	45.2d	49.4e	<0.01
CRP, mg/Lb	10.6	13.6	22.5	14.3	15.6	0.07
Pleural effusion, %	1.5	3.2	3.7	2.5	1.5	0.64
Need of oxygen, %	11.4c	2.7cd	11.1	9.5d	8.1	0.02
PICU admission, %	0c	0.6	7.4c	3.5	2.2	0.01

^aThe median value was used

^bThe mean value was used

^cSignificant differences were observed between each pair of values

^dSignificant differences were observed between each pair of values

^eSignificant differences were observed between each pair of values

^fSignificant differences were observed between each pair of values

^gSignificant differences were observed between each pair of values