The influence of climatic factors on the development of hemorrhagic fever with renal syndrome and leptospirosis during the peak season in Korea: an ecologic study

Table 1 General description of HFRS and leptospirosis cases in Korea between 2001 and 2009

		HFRS			Leptospirosis
		Number	Incidence^a/(%)	P-value^§	Number	Incidence^a/(%)	P-value^§
Total		2912	0.67		889	0.21
Year	2001	293	0.62		119	0.25
	2002	301	0.63		108	0.23
	2003	362	0.76		107	0.22
	2004	336	0.70		121	0.25
	2005	328	0.68		61	0.13
	2006	355	0.73		93	0.19
	2007	362	0.75		155	0.32
	2008	311	0.64		83	0.17
	2009	264	0.54		42	0.09
Gender	Male	1687	0.77	0.096	539	0.16	0.096
Gender	Female	1225	0.57	0.096	350	0.25	0.096
Age (years)	0–9	10	0.02	0.230	1	0.00	0.230
	10–19	45	0.08		5	0.01
	20–29	173	0.25		29	0.04
	30–39	305	0.40		53	0.07
	40–49	475	0.65		92	0.13
	50–59	568	1.20		160	0.34
	60–69	733	2.24		300	0.92
	70–79	495	2.71		212	1.16
	80 & over	108	1.75		37	0.60
Provinces	Seoul	199	0.22	0.242	43	0.05	0.2657
	Incheon	120	0.51		12	0.05
	Daejeon	38	0.29		5	0.04
	Daegu	26	0.12		9	0.04
	Gwangju	113	0.87		44	0.34
	Ulsan	29	0.30		9	0.09
	Busan	54	0.17		20	0.06
	Kangwon	143	1.07^b		27	0.20
	Gyeonggi	483	0.51^b		85	0.09
	Chungbuk	171	1.27^b		36	0.27^b
	Chungnam	455	2.61^b		100	0.58^b
	Gyeongbuk	269	1.12^b		83	0.35^b
	Gyeongnam	152	0.54^b		43	0.15
	Jeonbuk	392	2.37^b		150	0.91^b
	Jeonnam	263	1.56^b		221	1.31^b
	Jeju	5	0.10		2	0.04
Occupation^c	Agricultural and fishery workers	1118	38.39%	0.229	517	58.16%	0.243
	No information	628	21.57%		128	14.40%
	Unemployed	373	12.81%		114	12.82%
	Housewives	255	8.76%		51	5.74%
	Clerks	124	4.26%		23	2.59%
	Service workers	78	2.68%		14	1.57%
	Simple labor workers	76	2.61%		14	1.57%
	Student	73	2.51%		10	1.12%

^a:/100,000/year, ^bprovinces selected for analysis, ^coccupations selected for the calculation of percentage, ^§Chi-square test

ISSN: 1471-2334