Table 1.

Summary of period, populations and VA data included in the study from each of the demographic and health surveillance sites

Country	Ethiopia	South Africa	Vietnam	Indonesia
HDSS	Butajira	Agincourt	FilaBavi	Purworejo
Calendar period	2003–2004	1999–2004	1999	2000–2002
Number of deaths	367	3516	221	1982
Person-years of observation	52 964	394 480	43 444	167 895
Crude mortality rate (per 1000 p-years)	6.9	8.9	5.1	11.8
VAs included in study (% of all deaths)	351 (96%)	3380 (95%)	189 (86%)	864 (44%)
Further information	Berhane et al. (2008)	Kahn et al. (2007)	Chuc and Diwan (2003)	Ng (2006)