Table 7

The incidence case number of myelodysplastic syndrome 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	88	51	139	11.49^b)	2.94720	2.99630	7.59^b)	1.064^b)
2000	90	77	167		3.51327	3.51327
2001	129	91	220		4.59510	4.48965
2002	165	97	262		5.44407	5.22327
2003	234	160	394		8.15593	7.54460
2004	253	165	418		8.62117	7.76107
2005	280	190	470		9.65429	8.59289
2006	299	190	489		10.00265	8.63391
2007	314	250	564		11.47967	9.47229
2008	377	268	645		13.05545	10.52395
2009	446	280	726		14.62037	11.37083
2010	479	305	784		15.71778	11.62239
2011	486	390	876		17.48103	12.72050
2012	521	318	839		16.66490	11.46736
2013	543	396	939		18.57238	12.55258
2014	600	386	986		19.42354	12.77860
2015	626	407	1,033		20.27410	13.04959
2016	742	428	1,170		22.89047	13.84107
2017	707	451	1,158		22.60363	13.39331
2018	828	537	1,365		26.60773	15.30694

^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