Table 4. The demographics of study participants.

	Total	Tertiary hospital	General hospital	Hospital
Total	15,432 (100)	1,673 (10.8)	8,803 (57.1)	4,956 (32.1)
Sex
Male	7,370 (47.8)	946 (6.1)	4,332 (28.1)	2,092 (13.5)
Female	8,062 (52.2)	727 (4.7)	4,471 (29.0)	2,864 (18.6)
Age, yr
18–19	151 (1.0)	15 (0.1)	90 (0.6)	46 (0.3)
20–29	649 (4.2)	62 (0.4)	390 (2.5)	197 (1.3)
30–39	1,396 (9.0)	144 (0.9)	852 (5.5)	400 (2.6)
40–49	1,214 (7.9)	115 (0.7)	731 (4.7)	358 (2.4)
50–59	2,135 (13.8)	255 (1.7)	1,165 (7.5)	715 (4.6)
60–69	2,438 (15.8)	319 (2.1)	1,383 (9.0)	736 (4.8)
70–79	3,731 (24.2)	443 (2.9)	2,140 (13.9)	1,148 (7.4)
≥80	3,718 (24.1)	320 (2.1)	2,052 (13.3)	1,346 (8.7)

Values are presented as number (%).