Table 5.

Comparison between influenza A (H7N9) patients in Guangzhou and in the first epidemic wave in other places of China

Characteristic	Guangzhou (N = 25)		First wave case
	Case/Days	Percentage/ Ranges	Case/Days	Percentage/ Ranges
Agea
<65 years	12	48	64	57.7
≥ 65 years	13	52	47	42.3
Underlying diseasea	21	84	68	61.3
ARDSa	20	80	79	71.7
Time from illness onset to first medical care (days)#	1	0–4	1	0–3
Time from illness onset to hospitalization (days)#	4	1–7	4	3–6
Time from illness onset to oseltamivir treatment (days)#	5	3–7	6	5–9
Time from illness onset to development of ARDS (days)#	7	6–8	7	5–9

^aCase and Percentage

^#Days and Ranges