Table 2.
Selected common comorbid neurological and psychological conditions diagnosed during the 6 months prior-index period, which included the index date
| Conditions | Overall | 0–9 years old | 10–17 years old | 18 and above years old | ||||
|---|---|---|---|---|---|---|---|---|
| N | % | N | % | N | % | N | % | |
| Optum | 6719 | 100 | 2940 | 100 | 2169 | 100 | 1610 | 100 |
| ADHD | 2967 | 44.16 | 1219 | 41.46 | 1300 | 59.94 | 448 | 27.83 |
| Anxiety | 1669 | 24.84 | 317 | 10.78 | 784 | 36.15 | 568 | 35.28 |
| Developmental delay | 914 | 13.60 | 768 | 26.12 | 110 | 5.07 | 36 | 2.24 |
| Malaise and fatigue | 107 | 1.59 | 20 | 0.68 | 27 | 1.24 | 60 | 3.73 |
| Mood disorder | 1174 | 17.47 | 88 | 2.99 | 526 | 24.25 | 560 | 34.78 |
| Seizure and Seizure disorder | 431 | 6.41 | 139 | 4.73 | 129 | 5.95 | 163 | 10.12 |
| MDCD | 29694 | 100% | 13,512 | 100 | 8174 | 100 | 8008 | 100 |
| ADHD | 14873 | 50.09 | 7342 | 54.34 | 5403 | 66.10 | 8008 | 26.57 |
| Anxiety | 4788 | 16.12 | 1233 | 9.13 | 1817 | 22.23 | 8008 | 21.70 |
| Developmental delay | 4426 | 14.91 | 3575 | 26.46 | 649 | 7.94 | 8008 | 2.52 |
| Malaise and fatigue | 349 | 1.18 | 90 | 0.67 | 81 | 0.99 | 8008 | 2.22 |
| Mood disorder | 4917 | 16.56 | 831 | 6.15 | 1852 | 22.66 | 8008 | 27.9 |
| Seizure and Seizure disorder | 2507 | 8.44 | 796 | 5.89 | 579 | 7.08 | 8008 | 14.14 |
We report the proportion (prevalence) of each condition stratified by age group and data source