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Journal of Patient-Reported Outcomes
Fig. 2 | Journal of Patient-Reported Outcomes

Fig. 2

From: Psychometric evaluation of the Symptoms of Infection with Coronavirus-19 (SIC): results from a cross-sectional study and a phase 3 clinical trial

Fig. 2

SIC composite score known-group validity by Day 1 PGIS response (ENSEMBLE2 trial; N = 130a). SIC, Symptoms of Infection with Coronavirus-19; PGIS, Patient Global Impression of Severity; PCR, polymerase chain reaction; COVID-19, coronavirus disease 2019. aOf 183 participants with PCR-confirmed moderate to severe/critical COVID-19 occurring from Days 15 to 56 post–primary vaccination, 130 completed the SIC.

*P < 0.05

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