Table 3.

Laboratory and radiologic findings of severe and non-severe patients with COVID-19 during convalescence

	Total N = 134	Severe N = 19	Non-severe N = 115	P value
Blood routine
Leukopenia	43/134 (32.1%)	11/19 (57.9%)	32/115 (27.8%)	0.009
Lymphopenia	9/134 (6.7%)	5/19 (26.3%)	4/115 (3.5%)	0.001
Neutropenia	33/134 (24.6%)	6/19 (31.6%)	27/115 (23.5%)	0.637
Blood biochemistry
ALT increased	48/134 (35.8%)	7/19 (36.8%)	41/115 (35.7%)	0.920
AST increased	19/134 (14.2%)	2/19 (10.5%)	17/115 (14.8%)	0.890
Total bilirubin increased	3/134 (2.2%)	0/19	3/115 (2.6%)	> 0.99
Albumin decreased	7/134 (5.2%)	4/19 (21.1%)	3/115 (2.6%)	0.005
Creatinine increased	1/134 (0.7%)	0/19	1/115 (0.9%)	> 0.99
CKMB increased	15/134 (11.2%)	1/19 (5.3%)	14/115 (12.2%)	0.622
LDH increased	4/134 (3.0%)	3/19 (15.8%)	1/115 (0.9%)	0.009
Troponin increased	0/134	0/19	0/115
Inflammation-related indicators
ESR increased	63/97 (64.9%)	15/16 (93.8%)	48/81 (59.3%)	0.008
CRP increased	32/134 (23.9%)	9/19 (47.4%)	23/115 (20.0%)	0.021
PCT increased	3/127 (2.4%)	0/19	3/108 (2.8%)	> 0.99
Coagulation function
D-dimer increased	21/120 (17.5%)	7/18 (38.9%)	14/102 (13.7%)	0.024
Chest CT findings
Normal	61 (45.5%)	2 (10.5%)	59 (51.3%)	0.001
Ground-glass opacity	40 (29.9%)	11 (57.9%)	29 (25.2%)	0.004
Local patchy shadowing	13 (9.7%)	1 (5.3%)	12 (10.4%)	0.774
Bilateral patchy shadowing	25 (18.7%)	11 (57.9%)	14 (12.2%)	> 0.99
Interstitial abnormalities	4 (3.0%)	1 (5.3%)	3 (2.6%)	0.462
Fibrosis	36 (26.9%)	11 (57.9%)	25 (21.7%)	0.001

Bold values indicate that P value is less than 0.05

COVID-19 coronavirus disease 2019, ALT alanine aminotransferase, AST aspartate aminotransferase, CKMB creatine kinase isoenzyme, LDH lactate dehydrogenase, ESR erythrocyte sedimentation rate, CRP C-reactive protein, PCT procalcitonin