-The MDRD equation does not require weight or height variables. From a serum creatinine measurement, it generates a GFR result normalized to a standard body surface area (1.73 m[2]) using sex, age, and race. Unlike the Cockcroft-Gault equation, height and weight, which are often not available in the laboratory information system, are not required.
Franco-Prussian War and Unification. With Austria neutralized, the final obstacle to Prussia's unification of Germany was France. France still controlled territory on the border of the new, Prussian-dominated German Confederation, which Prussia considered German.
On August 1st Germany declared war on Russia thus dragging  all the major powers into war.    Further Background:   The immediate cause of World War I was the System of  Alliances. Three underlying causes were  Imperialism,  Nationalism and  Militarism.