From: An observer tool to enhance learning of incoming anesthesia residents’ skills during simulation training of central venous catheter insertion: a randomized controlled trial
CVC insertions
OT+
(n = 24)
OT-
(n = 29)
P value
Number of CVC inserted (all types of access)
3.4 ± 1.9
4 ± 2.4
0.30
Number of CVC inserted (internal jugular vein)
2.9 ± 1.7
3.4 ± 2
0.34