Table 1.

xxx.

		CT changes in lungs		total
		No	Yes
Initial nucleic acid test	Negative count	0	19	19
	percentage Lung CT	0.0 %	30.2 %	27.5 %
	Positive count	6	44	50
	percentage Lung CT	100.0 %	69.8 %	72.5 %
total	count	6	63	69
	percentage Lung CT	100.0 %	100.0 %	100.0 %