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Table 2 Time from request to diagnosis (days) by characteristics of the sample population

From: Waiting times for diagnosis of attention-deficit hyperactivity disorder in children and adolescents referred to Italian ADHD centers must be reduced

Characteristics   N Waiting time (days) [mean (SD); median] p-value a
Age at diagnosis 5–8 years 1088 194 (128); 163 0.0003
9–17 years 1174 214 (137); 191  
Sex Female 350 210 (136); 182 0.4110
Male 1912 203 (132); 175  
Only child No 1693 206 (132); 181 0.0925
Yes 569 198 (135); 163  
Born abroad No 2162 205 (133); 178 0.6219
Yes 100 199 (132); 168  
Adopted No 2190 205 (133); 178 0.2652
Yes 71 188 (128); 157  
School repeater No 2177 204 (133); 176 0.7265
Yes 85 209 (138); 187  
Support teacher at school No 2030 207 (132); 181 0.0009
Yes 232 182 (135); 152  
Family history of ADHD No 1873 203 (131); 173 0.2514
Yes 389 213 (139); 193  
Born preterm or low weight No 2029 205 (133); 178 0.2742
Yes 233 195 (129); 167  
Motor delay No 2146 206 (133); 180 0.0018
Yes 116 172 (128); 130  
Language delay No 1837 205 (132); 177 0.6040
Yes 425 203 (136); 176  
Referral another CANPS No 1539 229 (139); 213 < 0.0001
Si 723 153 (100); 133  
Required assessment path done in the Center No 1130 177 (128); 147 < 0.0001
Yes 1132 232 (132); 210  
Optional evaluation done in the Center No 788 208 (148); 182 0.5812
Yes 1474 202 (124); 176  
Psychiatric disorders No 308 187 (125); 159 0.0139
Yes 1954 207 (134); 182  
Chronic medical diseases No 2111 207 (134); 180 0.0010
Yes 151 168 (110); 146  
Center in the ATS of residence and the nearest to the municipality of residence No 625 191 (119); 163 0.0274
Yes 1637 209 (137); 182  
CGI-S score at diagnosis 1–4 1810 208 (133); 181 0.0002
5–7 389 183 (131); 155  
  1. a: Wilcoxon or Kruskal-Wallis test
  2. SD Standard Deviation, ADHD Attention-Deficit Hyperactivity Disorder. CANPS Child and Adolescent Neuropsychiatric Services, ATS Local health protection agencies, CGI-S Clinical Global Impression–Severity