Fig. 2

The relationship between the self-reported competence in completing BT and the number of BT practices performed. Groups 1–5 represent 20 cases, 10 cases, 5 cases, 1 case and 0 cases of BT performed by residents
The relationship between the self-reported competence in completing BT and the number of BT practices performed. Groups 1–5 represent 20 cases, 10 cases, 5 cases, 1 case and 0 cases of BT performed by residents