Table 1 Characteristics of the 44 studies included in qualitative synthesis
From: Time of onset and/or diagnosis of ADHD in European children: a systematic review
Characteristics | n (%) |
|---|---|
Year of publication | |
 2010–2011 | 7 (15.9) |
 2012–2013 | 10 (22.7) |
 2014–2015 | 6 (13.7) |
 2016–2017 | 11 (25.0) |
 2018–2019 | 10 (22.7) |
Country | |
 Germany | 5 (11.4) |
 Sweden | 7 (15.9) |
 Denmark | 4 (9.1) |
 Netherlands | 3 (6.8) |
 Finland | 4 (9.1) |
 France | 3 (6.8) |
 Italy | 3 (6.8) |
 Norway | 3 (6.8) |
 Czech Republic | 1 (2.1) |
 Greece | 1 (2.1) |
 Ireland | 1 (2.1) |
 Spain | 1 (2.1) |
 UK | 4 (9.1) |
 Mix | 4 (9.1) |
Outcome | |
 Age at diagnosis | 34 (77.3) |
 Age at onset | 9 (20.5) |
 Both | 1 (2.1) |
Total | 44 (100.0) |