The 29-year-old was replaced after 62nd minutes by Jamie Mackie, who sparked an incredible 3-2 comeback after the home side went 2-0 down.
QPR fans booed the midfielder off the pitch.
Joey Barton (on Twitter): "I was awful tonight.
"Worst I've ever played in my career.
"But we WON.......and that's the most important thing. Onwards and upwards.
"Disappointed with fans booing, were [sic] meant to be in it together.
"They won't break me, guaranteed. I've been through much worse.
"Enough of the negative **** anyway. What a ******* result, great spirit shown by the boys and loyal fans tonight. Not the bells that booed.
"Form is temporary, class is permanent."
QPR manager Mark Hughes (who obviously had his ear plugs in his lugs): "I was not aware they booed him.
"Joey was not having the best of times.
"It was unfortunate that maybe a few felt the need to possibly boo him, but Joey is very strong as we all know.
"He won't let it affect him and he will play a big part in what we do from now until the end of the season.
"Tonight was not his night, but there will be other nights."