Table 2 Summary statistics of the ordinal data used in this study
From: Impact of Long-COVID in children: a large cohort study
Control group mean (SD) | COVID-19 diagnosed group mean (SD) | P-Value (Kruskal-Wallis) | Standardized Mean Difference (SMD) | |
|---|---|---|---|---|
Age | 8·9 (4·0) | 8·9 (4·0) | 1·000 | 0 |
Diagnoses in the EHR from birth to 12 months before index date | 0·86 (1·48) | 0·87 (1·48) | < 0·001 | 0·011 |
Use of medical services 6–12 month before index date | ||||
Primary Physician Visits | 1·78 (2·37) | 1·97 (2·48) | < 0·001 | 0·077 |
Specialty Physician Visits | 0·40 (0·87) | 0·42 (0·87) | < 0·001 | 0·028 |
ER Visits | 0·06 (0·27) | 0·07 (0·30) | < 0·001 | 0·024 |
Hospital Admissions | 0·02 (0·20) | 0·02 (0·17) | 0·004 | 0·011 |
Lab Tests | 5·79 (25·35) | 6.38 (31·99) | < 0·001 | 0·020 |
Prescriptions | 1·89 (3·55) | 2·07 (3·76) | < 0·001 | 0·048 |
New Diagnoses | 0·03 (0·22) | 0·04 (0·21) | < 0·001 | 0·015 |
Referrals for mental health services | 0·00 (0·08) | 0·00 (0·07) | 0·642 | -0·003 |