Table 2. The Most Frequent Underlying Medical Conditions in the Samplea.
| CCSR category | No. (%) |
|---|---|
| Asthma | 4416 (10.2) |
| Neurodevelopmental disorders | 1690 (3.9) |
| Anxiety and fear-related disorders | 1374 (3.2) |
| Depressive disorders | 1209 (2.8) |
| Obesity | 1071 (2.5) |
| Esophageal disorders | 879 (2.0) |
| Tobacco-related disorders | 686 (1.6) |
| Diabetes | |
| Any | 627 (1.4) |
| Type 1 diabetes | 307 (0.7) |
| Type 2 diabetes | 320 (0.7) |
| Epilepsy or convulsions | 559 (1.3) |
| Cardiac and circulatory congenital anomalies | 510 (1.2) |
| Other specified and unspecified upper respiratory disease; top code, allergic rhinitis | 498 (1.1) |
| Essential hypertension | 436 (1.0) |
| Trauma and stressor-related disorders; top code, posttraumatic stress disorder | 432 (1.0) |
| Other specified status; top code, gastrostomy statusb | 403 (0.9) |
| Other specified and unspecified congenital anomalies | 393 (0.9) |
| Headache, including migraine | 366 (0.8) |
| Sleep/wake disorders; top code, sleep apnea | 329 (0.8) |
Abbreviation: CCSR, Clinical Classifications Software Refined.
a
Underlying medical conditions included only likely underlying CCSR categories, as defined in the Methods. The sample was defined as children aged 18 years or younger with a COVID-19 diagnosis during an emergency department or inpatient encounter in hospitals that reported both emergency department and inpatient encounters to Premier Healthcare Database Special COVID-19 Release, March 2020 through January 2021.
b
Other specified status (CCSR category FAC025) includes children who required specific medical support, such as gastrostomy, tracheostomy, or renal dialysis, or were awaiting organ transplant.