Table 1

Hospitalization rates


Children ≤ 2 years old with BPD/CLD (n = 3675)
Infants at gestational age 29–32 weeks without CLD (n = 4854)
Infants at gestational age 32–35 weeks without CLD (n = 2829)




Reference (country)
Untreated
Palivizumab
Untreated
Palivizumab
Untreated
Palivizumab

[23] (USA)
36.7% (30)
-
-
-
-
-
[24] (USA)
17.4% (149)
-
-
-
-
-
[52] (USA)
25.2% (131)
-
7.6% (662)
-
-
-
[53] (UK)
19.1% (235)
-
-
-
-
-
[32] (USA/Can/UK)
12.8% (266)
7.9% (496)
8.5% (142)
1.6% (313)
9.8% (123)
2.0% (250)
[35] (USA; outcomes 1998–1999)
-
4.0% (402)
-
2.0% (506)
-
1.5% (548)
[36] (USA; outcomes 1999–2000)
-
3.9% (795)
-
2.3% (690)
-
1.3% (972)
[39] (Canada)
-
6.0% (95)
-
1.3% (199)
-
-
[40] (The Netherlands)
-
3.4% (88)
-
0.8% (124)
-
-
Unpublished data (France)
-
7.6% (506)
-
-
-
-
[37] (USA; registry 2000–2001)
-
5.8% (482)
-
2.3% (650)
-
1.6% (936)
[54] (Spain)
-
-
10.1% (456)
-
-
-
[55] (Spain)
-
-
12.9% (827)
-
-
-
[41] (international study)
-
-
-
2.1% (285)
-
-
Weighted mean rate
18.4% (811)
5.6% (2864)
10.3% (2087)
2.0% (2767)
9.8% (123)
1.5% (2706)

Values are expressed as % (n). Hospitalization rates due to respiratory syncytial virus (RSV) in children ≤ 2 years old with bronchopulmonary dysplasia (BPD)/chronic lung disease (CLD), infants at gestational age 29–32 weeks without CLD, and infants at gestational age 32–35 weeks without CLD (combined analysis). -, not studied. Adapted from Simoes [44].

Simoes Respiratory Research 2002 3(Suppl 1):S26   doi:10.1186/rr187