Objective structured clinical examination in basic thoracic ultrasound: a European study of validity evidence

BMC Pulmonary Medicine

Table 1 Internal consistency reliability results

Station	Station number	Mean score, points	Cronbach’s alpha	Cronbach’s alpha if deleted
1—Knobology	1	11.7	0.84	0.83
2—Pleural effusion	2	10.8	0.84	0.83
3—Interstitial Syndrome	3	11.6	0.85	0.83
5—Pneumothorax	5	10.9	0.88	0.84
6—US-guided pleural aspiration	6	12.6	0.75	0.89
Theoretical stations	4 + 7		0.79

The table presents the mean scores of each station – independent of the study group, the internal consistency reliability, measured as Cronbach’s alpha, and Cronbach’s alpha if deleted

ISSN: 1471-2466