The risk factors that increase the percentage of antibiotics usage in treatment bronchiolitis were: age under 3 months old (OR = 3.2), premature (OR = 14), malnutrition (OR = 11), tachypnea (OR = 2), moist rales (OR = 2).
Yếu tố làm gia tăng sử dụng KS trong điều trị VTPQ: trẻ < 3 tháng (OR = 3,2), trẻ sinh non (OR = 14), suy dinh dưỡng (SDD) (OR = 11), thở nhanh (OR = 2), ran ẩm (OR = 2).