Table 1.

Clinical characteristics and laboratory testing results of the hospital COVID-19 cluster.

Patient	1	2	3	4	5	6	7	8	9
Description	Index case	Cleaner	Nurse	Nurse	Nurse practitioner	The index patient's family	An un-infected in-patient's family who stayed in the ward 5C	An in-patient admitted to 5C before the cluster was identified	The index patient's family
Age (year)	57	56	29	27	42	26	58	56	24
Sex	Female	Female	Female	Female	Female	Female	Female	Female	Male
Underlying conditions	Heart failure, coronary artery disease	Hypertension	Pregnancy	No	No	No	Hypertension	Liver cirrhosis, hepatocellular carcinoma	No
Presenting symptoms	Fever and cough	Cough	Cough and rhinorrhea	Cough and rhinorrhea	Muscle ache and mild fever (37.5 °C)	No symptoms	Fever, cough, and muscle ache	Cough	Cough
Chest radiograph	Pneumonia	Normal	NA	Normal	Normal	Normal	Pneumonia	Pneumonia	NA
HRCT	GGO	GGO	NA	Normal	GGO	NA	GGO	GGO	NA
LOS	43	14	23	21	31	NA	39	28	NA
Outcome	Mortality	Survival	Survival	Survival	Survival	Survival	Survival	Survival	Survival
White blood cell count (109/L)	2.1	9.1	5.3	6.4	3.6	NA	7.1	3.4	NA
Lymphocyte (109/L)	0.2	2.4	1.3	2.0	1.2	NA	1.2	0.7	NA
Platelet count (109/L)	158	325	249	273	174	NA	198	186	NA
D-dimer (ng/mL)	1902	191	574	<170	<170	NA	429	1539	NA
C-reactive protein (mg/L)	73.6	2.5	2.6	1.5	3.4	NA	66	10.4	NA
Lactate dehydrogenase (U/L)	690	177	189	212	227	NA	327	265	NA
Creatine (mg/dL)	1.4	0.6	0.4	0.7	0.6	NA	0.6	0.6	NA
AST (U/L)	45	27	21	21	38	NA	32	41	NA
ALT (U/L)	16	25	18	13	23	NA	29	31	NA
Bilirubin (mg/dL)	1.3	1.2	0.2	0.3	0.7	NA	0.5	0.3	NA
Ct valuea
E gene	23.9	26.6	28.8	26.4	29.9	24.1	27.5	26.6	24.95
RdRp-1	29.8	26.9	25.6	24.0	37.6	25.2	29.8	28.1	27.03
RdRp-2	24.2	28.0	25.6	23.9	30.8	25.4	26.7	27.3	26.02
N gene	28.5	26.6	28.8	26.4	32.3	28.1	31.7	32.0	29.73

Ct = cycles of thresholds; GGO = ground-glass opacities; HRCT = High-resolution computed tomography; LOS = length of stay; NA = not available.

^aRT-PCR of the respiratory specimens collected at the time of diagnosis.