Research Article
Clinical Epidemiological Characteristics and Risk Factors for Severe Bronchiolitis Caused by Respiratory Syncytial Virus in Vietnamese Children
Table 7
The risk factors of severe acute bronchiolitis caused by RSV (
).
| | Risk factors | Numbers of patients | Severe acute bronchiolitis, (%) | Mild-moderate acute bronchiolitis, (%) | OR (95% CI) | value |
| | Sex | Male | 261 | 35 (13.4) | 226 (86.6) | 1.34 (0.67-2.69) | >0.05 | | Female | 116 | 12 (10.3) | 104 (89.7) |
| | Age (months) | ā¤6 | 217 | 39 (18) | 178 (82) | 4.16 (1.89-9.18) | <0.05 | | >6 | 160 | 8 (5) | 152 (95) |
| | Preterm birth | Yes | 15 | 6 (40) | 9 (60) | 5.2 (1.76-15.4) | <0.05 | | No | 362 | 41 (11.3) | 321 (88.7) |
| | Breastfeeding under 6 months | Yes | 28 | 11 (39.3) | 17 (60.7) | 5.6 (2.4-12.9) | <0.05 | | No | 349 | 36 (10.3) | 313 (89.7) |
| | History of exposure to cigarette smoking | Yes | 6 | 3 (50) | 3 (50) | 7.4 (1.45-37.96) | <0.01 | | No | 371 | 44 (11.9) | 327 (88.1) |
| | Low birth weight | Yes | 13 | 8 (61.5) | 5 (38.5) | 13.3 (4.15-42.77) | <0.01 | | No | 364 | 39 (10.7) | 325 (89.3) |
| | Having sibling(s) under five years old going to kindergarten | Yes | 23 | 15 (65.2) | 8 (34.8) | 6.6 (2.57ā17.01) | <0.05 | | No | 145 | 32 (22.1) | 113 (77.9) |
| | History of undergoing cesarean section | Yes | 22 | 6 (27.3) | 16 (72.7) | 2.8 (1.06-7.75) | <0.05 | | No | 355 | 41 (11.5) | 314 (88.5) |
| | History of mechanical ventilation | Yes | 7 | 4 (57.1) | 3 (42.9) | 10.14 (2.19-46.8) | <0.01 | | No | 370 | 43 (11.6) | 327 (88.4) |
| | Poor living condition | Disadvantaged | 13 | 7 (53.8) | 6 (13) | 9.4 (3.03-29.5) | <0.01 | | No | 364 | 40 (11) | 324 (89) |
| | Maternal education | Graduated from high school & further education | 14 | 6 (42.9) | 8 (57.1) | 5.89 (1.9-17.8) | <0.05 | | Nongraduated from highschool | 363 | 41 (11.3) | 322 (88.7) |
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