Table 1 Patient characteristics of the included studies
Study | Total patients included (n) | Patients with PFT (n, %) | Patients with chest CT (n, %) | Follow-up interval ( months) | Mean age (year) | Male sex (%) | Ever smoker | Severe COVID-19 | Critical COVID-19 |
|---|---|---|---|---|---|---|---|---|---|
Aparisi A | 70 | 70 (100%) | 0 | 6 | 55 | 36 | N.A | N.A | N.A |
Bardakci MI | 65 | 59 (91%) | 60 (92%) | 6 | N.A | 75 | 46% | 100% | 12% |
Bellan M | 200 | 196 (98%) | 190 (95%) | 12 | 61 | 61 | 45% | 72% | 33% |
Caruso D | 118 | 0 | 118 (100%) | 6 | 65 | 47 | 43% | N.A | 74% |
Cassar MP | 46 | 46 (100%) | 0 | 6 | 55 | 63 | 37% | 59% | 50% |
Chen Y | 41 | 41 (100%) | 41 (100%) | 12 | 49 | 59 | 10% | 39% | N.A |
Dai S | 50 | 0 | 45 (90%) | 6 | 48 | 50 | N.A | 22% | N.A |
Dorelli G | 28 | 28 (100%) | 0 | 6 | 56 | 79 | 32% | 57% | 36% |
Faverio P | 312 | 312 (100%) | 0 | 6 | 61 | 73 | 26% | 100% | 77% |
Han X | 114 | 104 (91%) | 114 (100%) | 6 | 54 | 70 | 14% | 100% | 25% |
Hellemons ME | 92 | 43 (47%) | 46 (50%) | 6 | 58 | 63 | N.A | 92% | 66% |
Huang C | 1733 | 349 (20%) | 353 (20%) | 6 | 56 | 52 | 8% | 75% | 25% |
Huang L | 1276 | 244 (19%) | 118 (9%) | 12 | 58 | 53 | 18% | 77% | 29% |
Li Y | 141 | 0 | 141 (100%) | 6 | 59 | 63 | 11% | N.A | 7% |
Liao T | 303 | 303 (100%) | 256 (84%) | 12 | 40 | 19 | 3% | 63% | N.A |
Liu M | 41 | 41 (100%) | 41 (100%) | 6 | 50 | 54 | N.A | 37% | 17% |
Liu T | 594 | 486 (82%) | 486 (82%) | 12 | 61 | 46 | 13% | 89% | 11% |
Milanese M | 135 | 135 (100%) | 0 | 6 | 59 | 67 | 21% | 100% | 36% |
Nabahati M | 173 | 0 | 62 (36%) | 6 | 54 | 33 | N.A | 54% | N.A |
Orzes N | 40 | 40 (100%) | 21 (53%) | 6 | 58 | 78 | N.A | 67% | 35% |
Pan F | 209 | 0 | 209 (100%) | 12 | 49 | 45 | 2% | 49% | 11% |
Safont B | 313 | 313 (100%) | 226 (72%) | 6 | 61 | 59 | 44% | 100% | 28% |
Shah AS | 73 | 73 (100%) | 0 | 6 | 63 | 60 | 32% | N.A | N.A |
Staudt A | 101 | 101 (100%) | 0 | 12 | 59 | 58 | 35% | N.A | 20% |
Vijayakumar B | 32 | 26 (81%) | 32 (100%) | 12 | 62 | 66 | 59% | 100% | 44% |
Wu Q | 54 | 53 (98%) | 48 (89%) | 6 | 48 | 59 | N.A | 43% | N.A |
Wu X | 83 | 83 (100%) | 83 (100%) | 12 | 59 | 57 | 0% | 100% | 55% |
Yan X | 119 | 119 (100%) | 0 | 12 | 53 | 41 | 28% | 24% | N.A |
Zhao Y | 94 | 70 (74%) | 94 (100%) | 12 | 48 | 57 | 7% | 46% | 2% |
Zhou F | 120 | 116 (97%) | 97 (81%) | 12 | 52 | 41 | 13% | 13% | N.A |