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. 2016 Apr 7;6:27. doi: 10.1186/s13613-016-0132-x

Fig. 1.

Fig. 1

Correlation (Spearman’s coefficient of rank correlation) between the number of supervised TEE examinations performed by the trainees and the global skills assessment score obtained at M1, M3 and M6 in the control group (dashed line) and the interventional group (full line)