Table 1.

Prevalence rates of osteoporosis by sex and age groups

Age group	Male			Female			P value
	n	Case	Prevalence (%) (95% CI)	n	Case	Prevalence (%) (95% CI)
20–29	13,016	16	0.12 (0.07–0.19)	12,473	42	0.34 (0.23–0.51)	0.001
30–39	9221	16	0.17 (0.11–0.24)	10,057	112	1.11 (0.92–1.43)	< 0.001
40–49	8256	47	0.57 (0.38–0.79)	8909	409	4.59 (4.24–5.36)	< 0.001
50–59	7234	114	1.58 (1.31–1.92)	7580	979	12.92 (12.21–13.72)	< 0.001
60–69	4655	143	3.07 (2.69–3.67)	4191	913	21.79 (20.49–23.13)	< 0.001
70–79	2716	141	5.19 (4.32–6.24)	1950	519	26.62 (24.72–28.62)	< 0.001
+ 80	892	66	7.40 (5.21–9.93)	663	160	24.13 (20.87–27.59)	< 0.001
Total	45,990	543	1.19 (1.10–1.30)	45,824	3134	6.84 (6.61–7.07)	< 0.001