[Katara's voice was very tired.]

Some of them are going to need help getting to the transporters. We'll do what we can - [she speaks with confidence for the medical workers, she's sure that Trafalgar will back her up] - but a lot of them were heavily injured when they arrived. With the increased power cap, our ability to help them was limited.

And there have been other injuries as well - many of them less severe, but they'll still need help once they get to where they're going.

[Heavily implied: Will they HAVE that help?}