Table 1.

Demographics and clinical features before and after admission in patient hospitalized with 2009 H1N1 infection.

Characteristics Demographics	N	%
Age
0 to 5 years old	41/117	41.9
6 to 20 years old	18/117	15.4
21 to 60 years old	35/117	29.9
> 60 years old	15/117	12.8
Gender. Female	60/117	51.3
Clinical Features Before Admission
Fever >38.5 ºC	85/117	72.6
Dry Cough	81/117	69.2
Cough with sputum	16/117	13.7
Myalgia	11/115	9.6
Headache	3/117	2.6
Rhinorrhea	21/117	21.4
Low grade of fever	7/109	6.4
Cyanosis	16/116	13.7
Dyspnea	40/116	34.5
Chest pain	9/116	7.8
Vomiting	40/117	34.2
Diarrhea	45/116	38.8
Clinical Features After Admission
Fever documented after admission	98/117	83.8
Pulse>100 beats per minute	96/115	83.5
Oxygen saturation values from pulse oximetry<95%	65/117	55.6
Cyanosis	19/115	16.5
Congested throat	56/117	47.9
Lethargy	25/117	21.4
Crackle	57/116	49.1
Wheezing	10/117	17.1
Respiratory rates >20 breaths per minute	82/84	97.6
Respiratory distress	49/117	42.2