Table 6

The incidence case number of myeloproliferative disorders and trend in crude incidence rates and age-standardized incidence rates per million population in the Republic of Korea from 1999 to 2018.

Years	N of cases				CIR	ASR^a)	ASR^a)
Years	Men	Women	Total	AAPC (%)	CIR	ASR^a)	AAPC (%)	IRR (per yr)
1999	55	55	110	13.28^b)	2.33232	2.38291	9.87^b)	1.080^b)
2000	65	75	140		2.94525	2.94525
2001	86	92	178		3.71786	3.64427
2002	135	116	251		5.21550	4.96014
2003	200	154	354		7.32792	6.76541
2004	194	169	363		7.48680	6.68212
2005	283	242	525		10.78404	9.50474
2006	282	245	527		10.77996	9.23111
2007	365	287	652		13.27082	11.12117
2008	370	327	697		14.10798	11.45405
2009	409	402	811		16.33212	12.78754
2010	431	401	832		16.68010	12.76728
2011	506	418	924		18.43889	13.80286
2012	477	444	921		18.29366	13.27581
2013	509	456	965		19.08663	13.55994
2014	595	481	1,076		21.19647	14.81846
2015	621	511	1,132		22.21711	15.05132
2016	640	620	1,260		24.65128	16.13719
2017	723	584	1,307		25.51204	16.36598
2018	809	739	1,548		30.17492	19.00324

^a)Calculated by defining the 2000 mid-year Korean population (July 1, 2000) as the standard population. ^b)Statistically significant trend (P< 0.05).

Abbreviations: AAPC, average annual percent change; ASR, age-standardized incidence rate; CIR, crude incidence rate; IRR, incidence rate ratio.

Blood Res 2021;56:301~314 https://doi.org/10.5045/br.2021.2021187