Table 2. General characteristics of study population as frequencies.

Characteristic	Category	No. of subjects (%)
Sex	Male	62 (63.9%)
	Female	35 (36.1%)
Body mass index	Normal	38 (39.2%)
	Pre-obese	27 (27.8%)
	obese	32 (33.0%)
Diabetes mellitus	Diabetic	26 (26.8%)
Hypertension	Hypertensive	41 (42.3%)
Hospitalization	Hospitalized	47 (48.5%)
	Not hospitalized	50 (51.5%)
Oxygen requirement	Oxygen required	34 (35.1%)
Cardiac disease	-	8 (8.2%)
Pulmonary disease	-	5 (5.2%)
Alcohol	-	12 (12.4%)
Tobacco	-	7 (7.2%)
Smokers	-	4 (4.12%)