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Table 1 Flow Diagram for the Selection of Eligible Participants

From: Factors associated with COVID-19 Infection among a national population of individuals with schizophrenia or schizoaffective disorder in the United States

Step

Inclusion/Exclusion

Retained Cases

% Retained

1

≥ 2 diagnosis codes of schizophrenia from outpatient claims (at least one with schizophrenia diagnosis in primary position) OR one inpatient claim with schizophrenia in the primary position during the period January 1, 2019 through June 30, 2020.

710,948

100.0%

2

18 years of age or older as of January 1, 2019

704,552

99.1%

3

At least one medical or Rx claim in the first half of 2019 (Jan.~ Jun.) and at least one in the first half of 2020 (Jan.~ Jun.)

579,820

81.6%

4

Patients in 50 states and DC

578,011

81.3%

5

1+ Med or Rx claim in Q3, 2020

493,796

69.5%