Table 1.

Gender, age and primary disease in the survival group and death group ($\stackrel{\circledR }{x}$ ± S)

		Gender		Primary diseases
Group	No. of cases	(male/female)	Age	COPD	Heart disease	Hypertension	Diabetes
Survival group	10	7/3	61.3 ± 13.4	2	0	1	1
Death group	14	10/4	65.8 ± 12.4	2	2	1	1

Abbreviation: COPD, chronic obstructive pulmonary disease.