Table 3.
Comparison of imagistic findings in the study cohort stratified by time intervals elapsed from the first positive COVID-19 test.
| HRCT Findings | 1st Interval (n = 33) |
2nd Interval (n = 267) |
3rd Interval (n = 154) |
4th Interval (n = 76) |
5th Interval (n = 105) |
p-Value * |
|---|---|---|---|---|---|---|
| Complete remission (n = 164) | 13 (7.9%) | 59 (36.0%) | 33 (20.1%) | 20 (12.2%) | 39 (23.8%) | 0.014 |
| Ground-glass opacities (n = 408) | 47 (11.5%) | 164 (40.2%) | 101 (24.8%) | 47 (11.5%) | 49 (12.0%) | 0.014 |
| Crazy paving (n = 92) | 21 (22.8%) | 44 (47.8%) | 17 (18.5%) | 3 (3.3%) | 7 (7.6%) | <0.001 |
| Condensing (n = 35) | 11 (31.4%) | 20 (57.1%) | 2 (5.7%) | 1 (2.9%) | 1 (2.9%) | <0.001 |
| Trabeculation (n = 374) | 35 (9.4%) | 145 (38.8%) | 100 (26.7%) | 45 (12.0%) | 49 (13.1%) | 0.121 |
| Bronchiectasis (n = 142) | 14 (9.9%) | 47 (33.1%) | 43 (30.3%) | 17 (12.0%) | 21 (14.8%) | 0.311 |
| Pulmonary cysts (n = 75) | 5 (6.7%) | 29 (38.7%) | 17 (22.7%) | 7 (9.3%) | 17 (22.7%) | 0.390 |
| Tractions (n = 161) | 16 (9.9%) | 65 (40.4%) | 39 (24.2%) | 18 (11.2%) | 23 (14.3%) | 0.984 |
| Pleural thickening (n = 195) | 18 (9.2%) | 79 (40.5%) | 52 (26.7%) | 19 (9.7%) | 27 (13.8%) | 0.633 |
| HRCT total score | 10.5 ± 8.0 | 6.4 ± 6.0 | 7.2 ± 6.4 | 7.1 ± 6.7 | 4.9 ± 6.1 | <0.001 |
* Data reported as n (%) and calculated using Chi-square test unless specified differently.