Table 2 Effect of pleural effusion on TPVB implementation

Duration of ultrasound prescan for TPVB (sec), mean (± SD)^a

74.6 ± 30.7

44.8 ± 8.2

Duration of puncture for TPVB (sec), mean (± SD) ^a

87.0 ± 34.4

60.7 ± 17.2

Definition score of PVS, median (IQR)^b

4(2,6)

9(8,10)

Ventral displacement of pleura, (Yes/No, n[%])^c

17/23(42.5%)

40/0(100%)

Accuracy of resident anesthesiologists in identifying PVS, (n%)^c

25(25%)

73(73%)