RESULTS	Compared with conventional CT guidance , CT fluoroscopy was associated with less pleural needle passages ( 1.8 + / -0.6 vs. 1.1 + / -0.3 ; P = 0.003 , t-test ) and procedure times were shorter than for conventional CT guidance ( 12.7 + / -2.2 min vs. 26.7 + / -16.4 min ; P = 0.02 ) .\