Volume 10, Number 4—April 2004
Research
Human Metapneumovirus Infection among Children Hospitalized with Acute Respiratory Illness
Table 1
Characteristics of HMPV-positive patients, RSV-positive patients, and the rest of the study cohort, New Vaccine Surveillance Network acute respiratory illness study, August 2000–September 2001
Characteristic | HMPV-positive, n = 26 (%) | RSV-positive, n = 125 (%) | Rest of cohort, n = 517 (%) |
---|---|---|---|
Median age |
11.5 moa,c |
3 mo |
7 mo |
Range |
1–43 mo |
<1–56 mo |
<1–59 mo |
Age distribution |
|||
<6 mo |
5 (19)b,c |
73 (58)a,c |
244 (47) |
6 mo–1 y |
8 (31)b,c |
26 (21)a,c |
80 (15) |
1–2 y |
11 (42)b,c |
19 (15)a,c |
82 (16) |
>2 y |
2 ( 8)b,c |
7 ( 6)a,c |
111 (22) |
Male |
18 (69) |
72 (58) |
295 (57) |
Race |
|||
White (non-Hispanic) |
17 (65) |
75 (60) |
256 (50) |
Black (non-Hispanic) |
8 (31) |
32 (26) |
172 (33) |
Hispanic |
1 ( 4) |
13 (10) |
55 (11) |
Other |
0 ( 0) |
5 ( 4) |
26 ( 5) |
Unknown |
0 ( 0) |
0 ( 0) |
8 ( 2) |
Underlying medical condition |
14 (54)a,d |
36 (29) |
163 (31)b,d |
Born premature |
8 (31) |
19 (16) |
77 (15) |
Breastfed |
16 (62) |
71 (58) |
274 (53) |
Exposed to household smoker |
13 (50) |
50 (41) |
236 (46) |
Attended daycare |
8 (31) |
31 (25) |
167 (32) |
Site |
|||
Nashville |
9 (35) |
59 (47) |
282 (55) |
Rochester | 17 (65) | 66 (53) | 235 (45) |
aComparison of HMPV-positive to RSV-positive patients. HMPV, human metapneumovirus; RSV, respiratory syncytial virus.
bComparison of HMPV-positive patients to rest of cohort.
cp<0.001.
dp<0.05.