Table 2.

Laboratory and General Results in Asymptomatic Patients With Confirmed Infection

Results	Patients, No. (N = 55)a
Elevated WBC count (>1.5 × 109/L)	1
Decreased WBC count (<4.0 × 109/L)	11
Decreased lymphocyte count (<1.5 × 109/L)	11
Elevated CRP level (>8 mg/L)	10
Elevated ESR (>20 mm/h)	20
Elevated LDH level (>250 U/L)	13
Complicated infection
Epstein-Barr virusb	1
Mycoplasma pneumoniaeb	3
Time interval, median (time), d
From hospitalization to illness onsetc	5 (1–7)
From positive to negative nucleic acid test result	10 (4–21)

Abbreviations: CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; LDH, lactate dehydrogenase; WBC, white blood cell.

^aData represent no. of patients unless otherwise specified.

^bEpstein-Barr virus and M. pneumoniae infections were diagnosed serologically.

^cIllness onset was defined as the appearance of symptoms or abnormal computed tomographic findings.