I am a terrible dropper during rehearsals, but rarely at gigs. It also depends (for me) on the severity of the drop and if it catches me out badly. I'm usually good at single stick, but the real issue is that none of the sticks in my bag (attached to my floor tom) match! So when I recover, I have to adjust accordingly.
Just a word of warning. Never put a stick in you mouth. A few weeks ago I was doing a rehearsal for a gig that needed quick changes between beaters, brushes and sticks. I put a stick in my mouth (lengthways, I never did work out why) and then managed to hit the stick with my other hand doing a changeover to brushes. Whacked it right into the roof of my mouth and that really, really hurt. The laughter coming from the bass player made the rest of the band (fifteen or so saxes and clarinets) wonder what was going on and lost the piece all together.