What was the result of the ottomans joining the conflict on the side of the central powers?

The empire lost nearly a half a million soldiers, most of them to disease, plus about 3.8 million more who were injured or became ill.

The Ottomans refused an Allied demand that they expel German naval and military missions. The Ottoman Navy destroyed a Russian gunboat on 29 October 6:30 A.M. at Battle of Odessa. On 31 October 1914, Turkey formally entered the war on the side of the Central Powers.