It's very worrisome that he hasn't woken from his coma.

It is another piece of information that on its own means nothing.

It's very worrisome that he hasn't woken from his coma. Coma reflects brain damage. It's hard to talk about prospects for awakening without knowing the patient.

We consider him probably best described as in a light coma.

This has got to be a nightmare, ... I haven't woken up yet.

If he's taking lessons from Chavez, it's worrisome.