Table 2 The clinical characteristics of the 50 RSV infected patients

Age at first admission (months)^e

4.7 (1.8–8.7)

5.1 (2.1–11.4)

0.58^a

 Male

19 (76.0)

17 (68.0)

0.529^c

 Female

6 (24.0)

8 (32.0)

Body weight at first admission (kg)^e

4.60 ± 1.25

6.03 ± 1.84

0.018^a

Gestational age (weeks)

30.8 ± 2.8

32.5 ± 3.5

0.072^b

Birth weight (kg)

1.34 (0.77–3.25)

1.77 (0.76–3.07)

0.578^a

Severe cases, n (%)

13 (52.0)

6 (24.0)

0.041^c

Non-invasive ventilation, n (%)

14 (56.0)

14 (56.0)

0.612^c

MV needed, n (%)

8 (32.0)

2 (8.0)

0.034^d

Hospitalization frequency^e

< 0.001^c

 < 3 times

7 (28.0)

20 (80.0)

 ≥ 3 times

18 (72.0)

5 (20.0)

 Cumulative hospital stay (days)^e

19.0 (4.0–41.0)

9.0 (5.0–22.0)

0.012 ^a