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Volume 31, Number 6—June 2025
Research
Long-Term Clinical Outcomes of Adults Hospitalized for COVID-19 Pneumonia
Figure 4

Figure 4. Box plots of longitudinal FVC profiles from the Long-Term Outcomes Post Acute COVID-19 study of adults previously hospitalized for COVID-19 pneumonia. A) Observed percent-predicted FVC at indicated study visits. B) Change in percent-predicted FVC at different study visits according to the baseline FVC. Dashed horizonal lines indicate 80% predicted FVC (A) and no change in percent-predicted FVC (B). Horizontal lines within boxes indicate medians; box tops and bottoms indicate upper (third) and lower (first) quartiles; error bars (whiskers) indicate minimum and maximum values. Dots indicate data points; data points beyond the end of the whiskers are considered outliers. Numbers above the bars indicate mean and median percent-predicted FVC and total number of participants in category. Abnormal is defined as <80% and normal ≥80% predicted FVC. FVC, forced vital capacity.