Changing epidemiology of lower extremity fractures in adults over a 15-year period – a National Hospital Discharge Registry study

Table 5 Incidences of lower leg fractures in 2002 and 2017 by gender (n/100,000/year), IRR: Incidence rate ratio

	15–24 years			25–34 years			35–44 years			45–54 years			55–64 years			65–74 years			75–84 years			85–90 years			> 90 years
	2002	2017	IRR	2002	2017	IRR	2002	2017	IRR	2002	2017	IRR	2002	2017	IRR	2002	2017	IRR	2002	2017	IRR	2002	2017	IRR	2002	2017	IRR
*Male*
Proximal Tibia (S82.1)	18	18	1.0	19	16	0.8	29	24	0.8	35	29	0.8	29	28	1.0	22	19	0.9	24	20	0.8	28	19	0.7	19	31	1.6
Tibial Shaft (S82.2)	45	30	0.7	29	23	0.8	25	20	0.8	22	18	0.8	16	18	1.1	10	10	1.0	6	9	1.5	3	9	3.0	6	11	1.8
Distal Tibia (S82.3)	32	19	0.6	21	13	0.6	28	17	0.6	28	18	0.6	22	17	0.8	15	13	0.9	10	9	0.9	7	9	1.3	18	17	0.9
Medial Malleolus (S82.5)	17	9	0.5	10	7	0.7	8	7	0.9	7	6	0.9	5	6	1.2	4	4	1.0	4	4	1.0	3	2	0.7	3	1	0.3
Lateral Malleolus (S82.6)	79	53	0.7	69	44	0.6	72	43	0.6	71	49	0.7	70	50	0.7	69	50	0.7	53	51	1.0	48	58	1.2	28	43	1.5
Other parts (S82.8)	28	18	0.6	29	21	0.7	32	24	0.8	37	25	0.7	38	29	0.8	30	31	1.0	27	27	1.0	26	32	1.2	24	27	1.1
*Female*
Proximal Tibia (S82.1)	8	8	1.0	12	12	1.0	14	14	1.0	21	27	1.3	38	48	1.3	46	49	1.1	59	54	0.9	61	64	1.0	71	75	1.1
Tibial Shaft (S82.2)	8	8	1.0	8	7	0.9	10	9	0.9	13	11	0.8	13	12	0.9	10	11	1.1	11	13	1.2	15	19	1.3	24	28	1.2
Distal Tibia (S82.3)	7	6	0.9	8	7	0.9	12	10	0.8	17	13	0.8	20	15	0.8	17	16	0.9	16	19	1.2	26	24	0.9	29	39	1.3
Medial Malleolus (S82.5)	6	5	0.8	3	3	1.0	3	2	0.7	3	3	1.0	5	4	0.8	5	5	1.0	6	6	1.0	6	7	1.2	5	8	1.6
Lateral Malleolus (S82.6)	28	26	0.9	42	27	0.6	63	35	0.6	91	63	0.7	124	75	0.6	113	82	0.7	76	82	1.1	62	70	1.1	46	67	1.5
Other parts (S82.8)	14	14	1.0	22	17	0.8	37	23	0.6	60	43	0.7	98	74	0.8	99	95	1.0	83	101	1.2	70	99	1.4	60	101	1.7

ISSN: 1471-2474