Fig. 2: Diagnosis Observation Periods. | Nature Communications

Fig. 2: Diagnosis Observation Periods.

From: Post-acute sequelae of SARS-CoV-2 with clinical condition definitions and comparison in a matched cohort

Fig. 2

Diagnostic observation timeline for CCS conditions in relation to the COVID testing date as the index date. The time periods used in this study were defined as follows: Late: 30–120 days post COVID test date; Acute and persistent 0–30 days post COVID test date and persisted 30–120 days; Pre-existing conditions: four years prior to COVID test date.

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