Table 1.
Description of the Data Sources That Provided Stage 1 Estimates
| Author, year | Country | Period of Observation | Age Groups | Age Groups Whose Estimates Were Used as Inputs | Outcome Coding |
|---|---|---|---|---|---|
| Johannesen, 2022 [7] | Denmark | 2010–2017 | 0–2 mo, 3–5 mo, 6–11 mo, 12–35 mo, 36–59 mo | 0–2 mo, 3–5 mo, 6–11 mo, 12–35 mo, 36–59 mo | ICD-10; J00, J02–06 acute URTI; J09–18 pneumonia and influenza; J20–21, J40 bronchiolitis and bronchitis; J22 unspecified LRTI |
| Johannesen, 2022 [7] | England | 2007–2017 | 0–2 mo, 3–5 mo, 6–11 mo, 12–35 mo, 36–59 mo | 0–2 mo, 3–5 mo, 6–11 mo, 12–35 mo, 36–59 mo | ICD-10; J00, J02–06 acute URTI; J09–18 pneumonia and influenza; J20–21, J40 bronchiolitis and bronchitis; J22 unspecified LRTI |
| Johannesen, 2022 [7] | Finland | 2006–2016 | 0–2 mo, 3–5 mo, 6–11 mo, 12–35 mo, 36–59 mo | 0–2 mo, 3–5 mo, 6–11 mo, 12–35 mo, 36–59 mo | ICD-10; J00, J02–06 acute URTI; J09–18 pneumonia and influenza; J20–21, J40 bronchiolitis and bronchitis; J22 unspecified LRTI |
| Johannesen, 2022 [7] | Netherlands | 2013–2017 | 0–2 mo, 3–5 mo, 6–11 mo, 12–35 mo, 36–59 mo | 0–2 mo, 3–5 mo, 6–11 mo, 12–35 mo, 36–59 mo | ICD-10; J00, J02–06 acute URTI; J09–18 pneumonia and influenza; J20–21, J40 bronchiolitis and bronchitis; J22 unspecified LRTI |
| Johannesen, 2022 [7] | Norway | 2008–2017 | 0–2 mo, 3–5 mo, 6–11 mo, 12–35 mo, 36–59 mo | 0–2 mo, 3–5 mo, 6–11 mo, 12–35 mo, 36–59 mo | ICD-10; J00, J02–06 acute URTI; J09–18 pneumonia and influenza; J20–21, J40 bronchiolitis and bronchitis; J22 unspecified LRTI |
| Johannesen, 2022 [7] | Scotland | 2010–2016 | 0–2 mo, 3–5 mo, 6–11 mo, 12–35 mo, 36–59 mo | 0–2 mo, 3–5 mo, 6–11 mo, 12–35 mo, 36–59 mo | ICD-10; J00, J02–06 acute URTI; J09–18 pneumonia and influenza; J20–21, J40 bronchiolitis and bronchitis; J22 unspecified LRTI |
| Demont, 2020 [15] | France | 2010–2018 | 0–2 mo, 3–5 mo, 6–11 mo, 12–23 mo, 24–59 mo | 0–2 mo, 3–5 mo, 6–11 mo | ICD-10; J121, J205, J210, J219 |
| Gil-Prieto, 2015 [14] | Spain | 1997–2011 | 0 y, 1 y, 2 y, 3 y, 4 y, < 5 y, < 2 y | 2 y, 3 y, 4 y | ICD-9-CM; 466, acute bronchitis and bronchiolitis; 480.1, pneumonia due to RSV; 079.6, RSV infection |
Abbreviations: ICD-9-CM, International Classification of Diseases Nineth Revision-Clinical Modification; LRTI, lower respiratory tract infection; RSV, respiratory syncytial virus; URTI, upper respiratory tract infection.