Infections Caused by HRSV A ON1 Are Predominant among Hospitalized Infants with Bronchiolitis in São Paulo City
Table 1
Comparative analysis between the demographic and clinical characteristics of infants with HRSV infection caused by ON1 and by other genotypes.
All genotypes
HRSV A ON1
Other HRSV genotypes
Demographic characteristics
(%)#
(%)#
(%)#
Gender
M
21 (65.6)
16 (72.7)
05 (50.0)
0.21
F
11 (34.4)
06 (27.3)
05 (50.0)
Mean (sd)
Mean (sd)
Mean (sd)
Age in months
2.45 (1.44)
2.33 (1.42)
2,71 (1,57)
0,51##
Clinical characteristics
(%)#
(%)#
(%)#
Cough
31 (100)
21 (100)
10 (100)
nsa
Fever
12 (37,5)
08 (38.1)
04 (40.0)
1.00
Dyspnea
23 (85.2)
17 (94.4)
06 (66.7)
0.09
Apnea
02 (06.3)
01 (9.09)
01 (25.0)
0.45
Complete Immunization for age###
24 (96.0)
18 (100)
06 (85.1)
0.28
Current Breastfeeding
26 (89.6)
18 (94.7)
8 (80.0)
0.27
Second-hand smoking
06 (18.8)
05 (33.3)
01 (14.3)
0.62
Admission in Critical Care Unit
05 (15.6)
03 (15.8)
02 (20.0)
0.64
Oxygen therapy
27 (87,1)
20 (95.2)
07 (70.0)
0.09
Mechanic ventilation
02 (6,45)
02 (09.1)
00 (00.0)
1.00
Mean (sd)
Mean (sd)
Mean (sd)
Duration of stay
5.13 (4.38)
5.91 (4.84)
3.40 (2.59)
0,14##
are relative to the number of cases with complete information; of ON1 × other genotypes; exact test; ’s t-test; to Brazilian National Program of Immunization.