Table 2.

Rheumatic complaints in general populations

Site of survey [ref.]	Location	Age (Years)	Latitude	Time	Number			Prevalence (%)
					Male	Female	Total	Male	Female	Total
Heilongjiang [12]	Rural	≥18	46	1989	1,224	1,087	2,311	47	46	46.4
Beijing [9]	Rural	≥20	40	1987	2,090	2,102	4,192	33.4	47.1	40.3
Taiyuan [41]	Urban	≥16	38	2004	1,858	2,057	3,915	15.23	20.89	18.4
Shanghai [3]	Urban	≥16	32	1992	914	1,096	2,010	16.9	30.5	24.3
Shanghai [28]	Urban	≥16	32	1998	3,190	3,394	6,584	11	18.7	13.3
Taiwan [19]	Urban	≥20	25	1992	1,534	1,466	3,000	22	31	26.3
Taiwan [19]	Suburban	≥20	25	1992	1,477	1,523	3,000	14.5	22.5	18.4
Taiwan [19]	Rural	≥20	25	1992	1,555	1,443	2,998	17	32	24.3
Shantou [9]	Rural	≥20	23	1987	2,384	2,673	5,057	8.9	14	11.6
Hong Kong [18]	Urban	≥16	22	1992	898	1,090	1,988	9.5	15.8	13.0
Shantou [15]	Urban	≥16	23	1992	910	812	1,722	11.8	13.3	12.5
Shantou [23]	Urban	≥16	23	1995	985	1,055	2,040	12.3	21	18.1
Shantou [30]	Suburban	≥16	23	1999	863	955	1,818	15.9	23.1	19.8