Table 1.
Demographic and clinical characteristics for RSV patients <2 years of age in the JMDC population
| 2017 | 2018 | |||||
|---|---|---|---|---|---|---|
|
All RSV patients† (n = 9,711) |
Only outpatients‡ (n = 7,238) |
Inpatients§ (n = 2,473) |
All RSV patients† (n = 8,509) |
Only outpatients‡ (n = 6,426) |
Inpatients§ (n = 2,083) |
|
| Male (n, %) | 5,347 (55.1) | 3,967 (54.8) | 1,380 (55.8) | 4,654 (54.7) | 3,487 (54.3) | 1,167 (56.0) |
| Any RSV risk factor (n, %) | 651 (6.7) | 422 (5.8) | 229 (9.3) | 621 (7.3) | 407 (6.3) | 214 (10.3) |
| Prematurity (n, %) | 356 (3.7) | 233 (3.2) | 123 (5.0) | 327 (3.8) | 215 (3.3) | 112 (5.4) |
| BPD (n, %) | 12 (0.1) | 6 (0.1) | 6 (0.2) | 10 (0.1) | 6 (0.1) | 4 (0.2) |
| Down syndrome (n, %) | 25 (0.3) | 13 (0.2) | 12 (0.5) | 31 (0.4) | 17 (0.3) | 14 (0.7) |
| CHD (n, %) | 275 (2.8) | 177 (2.4) | 98 (4.0) | 269 (3.2) | 176 (2.7) | 93 (4.5) |
| Immunodeficiency (n, %) | 47 (0.5) | 27 (0.4) | 20 (0.8) | 59 (0.7) | 30 (0.5) | 29 (1.4) |
†All RSV patients: patients with only outpatient visit or hospitalization.
‡Only outpatients: patients with only outpatient visit.
§Inpatients: patients with hospitalization.
BPD: bronchopulmonary dysplasia; CHD: congenital heart disease; JMDC: Japan Medical Data Center; RSV: respiratory syncytial virus.