Table 2.

Projected annual incidence rate per 100,000 citizens 40 years or older, 2014-2046

Year	IR THA (95% PI)	Annual growth rate (%)	IR TKA (95% PI)	Annual growth rate (%)
2014	296 (96-299)	–	430 (372-442)	–
2015	304 (90-307)	2.6	441 (375-456)	2.6
2016	312 (90-315)	2.5	452 (379-469)	2.4
2017	319 (92-323)	2.5	462 (382-482)	2.3
2018	327 (92-331)	2.4	472 (385-495)	2.1
2019	335 (93-339)	2.3	481 (387-508)	1.9
2020	342 (93-347)	2.3	489 (389-521)	1.7
2021	350 (95-356)	2.2	497 (391-533)	1.6
2022	358 (96-364)	2.2	504 (393-545)	1.5
2023	365 (95-372)	2.1	511 (394-556)	1.3
2024	373 (96-380)	2.0	517 (395-568)	1.2
2025	380 (97-389)	2.0	523 (396-579)	1.1
2026	387 (96-397)	1.9	528 (397-590)	1.0
2027	395 (95-405)	1.9	533 (397-600)	0.9
2028	402 (95-414)	1.8	538 (399-609)	0.8
2029	409 (95-422)	1.8	542 (399-618)	0.8
2030	416 (97-430)	1.7	545 (399-627)	0.7
2031	423 (94-439)	1.7	549 (400-636)	0.6
2032	429 (99-447)	1.6	552 (400-644)	0.6
2033	436 (95-456)	1.5	555 (400-651)	0.5
2034	443 (96-464)	1.5	557 (401-658)	0.5
2035	449 (98-473)	1.4	560 (402-665)	0.4
2036	455 (98-481)	1.4	562 (401-671)	0.4
2037	461 (95-490)	1.3	564 (402-677)	0.3
2038	467 (98-498)	1.3	566 (401-683)	0.3
2039	473 (96-507)	1.3	567 (401-689)	0.3
2040	479 (98-515)	1.2	569 (402-693)	0.3
2041	485 (98-524)	1.2	570 (402-698)	0.2
2042	490 (100-532)	1.1	571 (401-703)	0.2
2043	495 (93-541)	1.1	572 (402-707)	0.2
2044	501 (95-550)	1.0	573 (403-711)	0.2
2045	506 (97-558)	1.0	574 (402-715)	0.2
2046	510 (98-567)	1.0	575 (402-717)	0.1

IR = incidence rate; PI = prediction interval.