TABLE 4.
Characteristics of Patients With and Without UIP
| UIP cohort (n = 9) | Patients without UIP (n = 9) | P-value | |
|---|---|---|---|
| Age, years (median, interquartile range) | 57 (12) | 53 (17) | 0·042* |
| Sex | |||
| Male | 5 (56) | 5 (56) | 1·000 |
| Female | 4 (44) | 4 (44) | |
| Smoker statusa | |||
| Current smoker | 0 (0) | 1 (14) | 1·000 |
| Former smoker | 4 (50) | 3 (43) | |
| Never smoker | 4 (50) | 3 (43) | |
| History of pulmonary disease prior to COVID-19 | 4 (44) | 1 (11) | 0·294 |
| Persistent respiratory symptoms post-COVID-19 | 9 (100) | 7 (78) | 0·471 |
| Post-COVID-19 chest CT | |||
| Groundglass opacities only | 0 (0) | 7 (78) | 0·042* |
| Groundglass opacities with interstitial thickening | 5 (56) | 2 (22) | |
| Peripheral reticulations with bronchiectasis | 4 (44) | 0 (0) |
COVID-19 = coronavirus disease 2019; CT = computed tomography; UIP = usual interstitial pneumonia
a
Smoking status was unknown for 1 UIP cohort patient and 2 patients without UIP.
*Statistically significant