Table S1.
Study sample attrition
| Criterion | Number of patients remaining | N (%) excludeda |
|---|---|---|
| With diagnosis of NAFLD | 30,440 | N/A |
| Earliest activity date in system at least 12 months before index dateb and latest activity date >90 days after index | 22,577 | 7,863 (25.8) |
| Age ≥18 years at index date | 22,203 | 374 (1.2) |
| Exclude diagnosis of alcoholism | 20,286 | 1,917 (6.3) |
| Exclude other diagnoses of interestc | 18,754 | 1,532 (5) |
Notes:
a
Percentage excluded from the starting total.
b
The index date may not be the first NAFLD diagnosis date.
c
Patients may have had more than one of the diagnoses listed: Alpha-1 antitrypsin deficiency, hemochromatosis, hepatitis B, hepatitis C, Wilson’s disease.
Abbreviations: N/A, not applicable; NAFLD, nonalcoholic fatty liver disease.