Table 4.

Correlation of obstruction score and virus type.

Virus type	Percent obstruction				Total
	0–<25%	25–<50%	50–<75%	≥75%
AdV *	2	5	13	19	39
RV *	1	3	10	17	31
EBV **	0	4	6	11	21
PIV *	1	0	6	11	18
CoV ***	1	0	4	9	14
RSV	0	0	3	3	6
InfV	0	0	0	5	5
EV/RV	0	0	1	2	3
hMPV	0	0	1	1	2
EV	0	0	0	0	0
Total	5	12	44	78	139

*p < 0.001, **p < 0.005, ***p = 0.001.