Actually, there are enough cases to the contrary that I would remove “under 65” from that. While the old with missing lung capacity are at increased risk, there are unfortunately more than a few cases where young adults and the middle aged didn’t make it. There may also be some cases where those with normal immune systems are experiencing a cytokine storm, but I haven’t seen enough reports of that to say if it’s a common feature.
The remaining items on your list seem more or less correct to me from the reports I’ve read. Those with reduced or missing lung function/capacity due to smog, smoking or both are going to be the most screwed and likely to die from this.
I noticed a Brit doctor talking over the limited numbers of young kids with the virus. Chinese numbers (can’t be verified or really trusted) says that kids are not in the seriously affected group, but if it’s true....there’s some kind of lung capacity that they have...getting through the roughness of this.
I expect a lot more data from the South Koreans and Japanese as this develops....more reliable stuff that can predict better outcomes.
I did notice a comment from a Chinese comedian (probably from 2017)...he talked about this aversion of Chinese people to hospitals and questioning Chinese doctors. They wouldn’t show up to a hospital until they were seriously ill. If he was correct, that might also be part of the higher rate of death in China.