Table 4 Correlation coefficient for DLCO.
From: Quantitative inspiratory–expiratory chest CT findings in COVID-19 survivors at the 6-month follow-up
Characteristics | Spearman’s correlation coefficient | p value |
|---|---|---|
Age, years | 0.014 | 0.838 |
Sex | 0.105 | 0.136 |
Heart rate (bpm) | − 0.229 | 0.004 |
Oxygen saturation on room air (%) | 0.360 | < 0.001 |
Dyspnea | − 0.133 | 0.059 |
Duration of hospital stay | − 0.347 | < 0.001 |
ARDS | − 0.250 | < 0.001 |
Noninvasive mechanical ventilation | − 0.111 | 0.116 |
Invasive mechanical ventilation | − 0.174 | 0.014 |
Glucocorticosteroid use | 0.295 | < 0.001 |
Leukocyte count (109/L) | − 0.250 | 0.001 |
Hemoglobin | − 0.279 | < 0.001 |
Hypersensitive C-reactive protein (mg/L) | 0.247 | 0.003 |
Lactate dehydrogenase (U/L) | − 0.332 | < 0.001 |
d-Dimer (mg/L) | 0.295 | 0.001 |
CT score of initial CT | ||
Total lesions | − 0.206 | 0.003 |
CT score of GGO | − 0.277 | < 0.001 |
Reticular | − 0.199 | 0.004 |
Complete radiological resolution | 0.377 | < 0.001 |
CT score of follow-up CT | ||
Total lesions | − 0.246 | < 0.001 |
GGO | − 0.246 | 0.003 |
Reticular | − 0. 206 | 0.002 |
Air-trapping | − 0.220 | 0.002 |
RVC of whole lung | − 0.265 | 0.001 |
RVC of right lung | − 0.276 | 0.001 |
RVC of left lung | − 0.257 | 0.002 |
