Table 1.

Characteristics of the study population (n = 175,265)

	No. (%)
Demographic
Gender
Male	88,760 (50.6%)
Female	86,505 (49.4%)
Age
< 65 years old	112,403 (64.1%)
≥ 65 years old	62,862 (35.9%)
Comorbid health condition
Hypertension
With	64,786 (37.0%)
Without	110,479 (63.0%)
Diabetes
With	19,947 (11.4%)
Without	155,318 (88.6%)
Hyperlipidemia
With	23,957 (13.7%)
Without	151,308 (86.3%)
Congestive heart failure
With	18,529 (10.6%)
Without	156,736 (89.4%)