Table 1.

Major nationwide surveys on diabetes prevalence in China

Reference	Sample	Sample size	Age (years)	Year of study	Prevalence (%)
Southern Research Institute of Medicine Economics DM prevalence survey, 200411	Nationwide	NA	All	1978	0.6
				1990	1.2
				1995	1.5
				2000	2.4
Pan et al6	19 provinces, urban and rural	224,251	25–64	1994	2.5
Yang et al7	12 areas	29,559	40–99	1998	5.9
	12 urban areas				6.8
	12 rural areas				3.8
Gu et al9	Nationwide	15,540	35–74	2000	5.5
Li et al13	Nationwide	NA	➢18	2002	2.6
	Urban				4.5
	Rural				1.8

Abbreviation: NA, not available.