Conditions are different in the officers’ ward; officers are better cared for and able to live in some comfort, suggesting that class distinctions make a difference in the quality of medical care. Denisov is obsessed with his pending trial, wanting to hang onto a sense of principle (insofar as he has a defensible argument, which isn’t really clear). In any case, he finally gives up, as if realizing that in the greater scheme of things, principle doesn’t have much of a place in war.