Maryland: 1,915 QHPs in first 4 days
2018 MIDTERM ELECTION
Time: D H M S
I'm pretty sure that in this case, "applications completed" does refer to actual "plans selected", judging from both the number from a day earlier (1,500) and the context of the quote, although I could be wrong (I also think that's supposed to read "through early Tuesday afternoon...")
Andrew Ratner, a spokesman for the exchange, said it seems to be working well so far. Ratner said 5,324 people have applied and 1,915 applications have been completed since early Tuesday afternoon.