You shouldn't need to adjust the hits, they should be tallying automatically. You didn't mention from how many tournaments the stats were being computed, but my first suggestion would be to make sure the tournament in which you made 3 hits is being included. On the Stats tab, press the Info button to see which tournaments have been loaded, and which are being included in the stats.
As for "1 player still in", this is basically correct. The winner of the tournament, except in a few circumstances, is never busted out, and is therefore still "in" the tournament, even though the tournament is over. This is because technically another player could still buy-in or rebuy. If someone does [buy-in or rebuy], it would then be that player versus the final player, and the tournament would not yet be over...