Table 2

Patient flow and sample size distribution among selected health institutions of the study areas
Study areas Patient/women flow per year <a onClick="popup('http://www.biomedcentral.com/1471-2334/13/101/mathml/M1','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2334/13/101/mathml/M1">View MathML</a> Proportional sample
Addis Ababa 639 0.35 150
Debre-Zeit 520 0.29 122
Ambo 401 0.22 93
Metehara 255 0.14 60
Total 1,815 425

Gebremedhin et al.

Gebremedhin et al. BMC Infectious Diseases 2013 13:101   doi:10.1186/1471-2334-13-101

Open Data