Table 5.

The comparison of clinical manifestations between the patients with COVID-19 with absorbed parenchymal bands and residual parenchymal bands in the last follow-up scan after discharge.

	Patients with absorbed parenchymal bands (n = 9)	Patients with residual parenchymal bands (n = 23)	p -value
Periods
Pulmonary Lesion Absorption Period, median (IQR), day	40.00 (30.25–41.50)	/	/
Period between discharge and the latest follow-up CT scan, median (IQR), day	28.00 (27.00–29.00)	55.00 (29.00–138.50)	0.034*
Period between onset and the latest follow-up CT scan, median (IQR), day	40.00 (30.25–41.50)	75.00 (55.00–168.00)	0.068*
Clinical information
Age	45.39 ± 14.16	40.11 ± 14.04	0.304
Gender, male/female	42/26	37/30	0.132
Underlying comorbidity yes/no	21/47	20/47	0.604
Clinical group: non-severe/severe	63/5	49/18	1.000
Morphology †
Nodular	0 (0%)	0 (0%)	<0.002
Large-patchy	3 (33.3%)	12 (52.2%)
Linear	4 (44.4%)	0 (0%)
Patchy	2 (22.2%)	11 (47.8%)
RUL†	2 (22.2%)	18 (78.3%)	0.005
Morphology*
None	2 (22.2%)	1 (4.3%)	0.004
Nodular	0 (0%)	0 (0%)
Large-patchy	1 (11.1%)	3 (13%)
Linear	3 (33.3%)	0 (0%)
Patchy	3 (33.3%)	19 (83.6%)

The p value in bold indicates that P is less than 0.05 and is statistically significant.

^†CT manifestations from the scan at the peak stage.

^*CT manifestations from the scan before discharge.