Table 4.

CT scores in survived COVID-19 patients with pulmonary fibrosis during follow up.

	CT score (mean ± SD)
Variable	At discharge	1st month	3rd month	6th month
Bilateral lung infiltrations
No	11.1 ± 2.5	6.5 ± 1.8	2.8 ± 1.2	1.6 ± 0.8
Yes	13.8 ± 1.1	8.2 ± 0.8	3.5 ± 0.8	2.6 ± 0.5
P†	.272	.367	.684	.414
Ground-glass opacity
No	12.7 ± 1.0	7.7 ± 0.8	3.0 ± 0.7	2.0 ± 0.4
Yes	18.7 ± 2.9	9.3 ± 1.8	7.0 ± 2.1	5.3 ± 2.7
P†	.081	.522	.068	.036∗
Honeycomb
No	12.4 ± 1.3	6.7 ± 0.8	2.0 ± 0.6	1.3 ± 0.4
Yes	15.9 ± 0.7	11.4 ± 0.8	7.3 ± 0.8	5.6 ± 0.7
P†	.132	.003∗	<.001∗	<.001∗
Consolidation
No	12.9 ± 1.1	7.5 ± 0.8	2.8 ± 0.6	1.8 ± 0.4
Yes	16.3 ± 1.2	11.3 ± 0.7	9.3 ± .07	7.3 ± 0.7
P†	.329	.123	.001∗	<.001∗
ICU admission
No	9.0 ± 1.6	4.6 ± 0.6	1.5 ± 0.6	0.7 ± 0.5
Yes	15.8 ± 0.9	9.9 ± 0.8	4.6 ± 0.9	3.3 ± 0.6
P†	<.001∗	<.001∗	.018∗	.01∗
Mechanical ventilation
No	11.8 ± 1.1	6.8 ± 0.7	2.5 ± 0.6	1.6 ± 0.4
Yes	17.6 ± 1.3	11.7 ± 1.5	6.4 ± 1.5	4.6 ± 1.0
P†	.009∗	.003∗	.009∗	.003∗
High flow nasal canula
No	12.8 ± 1.5	7.5 ± 1.1	3.2 ± 0.9	2.4 ± 0.7
Yes	13.8 ± 1.2	8.4 ± 0.9	3.3 ± 0.9	2.3 ± 0.6
P†	.644	.542	.890	.917
Long term oxygen therapy
No	12.1 ± 1.5	6.1 ± 0.8	2.0 ± 0.8	1.6 ± 0.5
Yes	14.6 ± 1.3	9.6 ± 1.1	4.7 ± 0.9	3.1 ± 0.7
P†	.210	.014∗	.037∗	.054