Check my post above and a couple responses to it. For the province containing Wuhan, I saw numbers of 24 deaths and 31 recoveries reported, although I would expect that both numbers have gone up in the last day or so. Still, the numbers I used give a death rate of about 44% or alternatively a survival rate of 56% for the earliest cases. That's comparable to MERS.

Other reports seem to suggest that most of the deaths are in older/elderly people, who are obviously more likely to have other health problems as complicating factor(s), although I haven't seen any data regarding whether the disease itself is more likely to infect older/elderly people or not. Basically the question is whether an older individual is more likely to get the disease (for example, perhaps most of the workers in the Wuhan wet market are older/elderly) or whether given that an individual is infected, someone who is older/elderly is more likely to die (rather than recover) compared to a younger person who is infected.