Table 3.

One- to ten-year follow-up mortality rates and SMRs of hip fracture stratified by gender and age among young adults in Taiwan

			Mortality(%)b					SMR
		Na	1-year	2-year	3-year	5-year	10-year	1-year	2-year	3-year	5-year	10-year
Total
	Total	4,523	1.28	2.44	3.54	5.32	10.50	8.33	7.59	7.28	6.39	5.82
	Male	3,439	1.45	2.69	3.98	6.13	12.02	7.82	6.91	6.83	6.13	5.54
	Female	1,084	0.74	1.65	2.13	2.69	5.32	12.90	13.57	11.24	8.66	8.20
20–24 years
	Total	961	0.21	0.62	1.05	1.63	2.32	2.75	4.17	4.30	3.49	3.42
	Male	687	0.14	0.58	1.03	1.83	2.09	0.00	2.46	2.81	2.61	2.29
	Female	274	0.36	0.73	1.09	1.09	2.96	18.05	13.69	12.67	8.52	9.95
25–29 years
	Total	959	0.93	1.24	1.93	3.51	9.27	7.66	5.27	5.60	6.09	5.26
	Male	723	1.10	1.24	2.14	3.89	10.27	7.53	4.31	5.19	5.62	4.95
	Female	236	0.42	1.26	1.26	2.33	5.96	8.68	13.00	8.93	9.89	7.79
30–34 years
	Total	1,075	1.48	2.96	4.05	5.58	11.86	10.15	9.54	8.33	6.94	6.35
	Male	846	1.53	3.29	4.41	5.93	13.05	9.17	9.16	8.02	6.58	5.98
	Female	229	1.31	1.75	2.67	4.30	4.30	20.32	13.50	11.62	10.73	10.16
35–39 years
	Total	1,528	2.02	3.97	5.76	8.56	15.53	8.84	8.07	7.90	6.80	6.22
	Male	1,183	2.35	4.37	6.51	10.13	18.29	8.80	7.46	7.53	6.74	6.13
	Female	345	0.86	2.59	3.18	3.18	6.17	9.26	13.77	11.42	7.39	6.94

^aThe N represents the number of young adults with hip fracture enrollerd initially in the study

^bThe follow-up mortality rates were estimated using Kaplan–Meier (KM) method