Table 2 Comparison between 94 students with negatively perceived teaching sessions (< 11 points) and 578 students with overall rating above the cut-off. As results for median with interquartile range (IQR) did not explain the significant differences (as calculated by Wilcoxon-Rank-Sum-Test) intuitively, the values for mean with standard deviation were added

1 (1–2)

3 (2–4)

1.724 ± 1.298

3.079 ± 1.699

<.001

1 (1–1)

2 (1–3)

1.279 ± 0.595

2.229 ± 1.418

<.001

1 (1–1)

1 (1–2)

1.105 ± 0.351

1.471 ± 0.612

<.001

1 (1–2)

3 (2–5)

1.715 ± 1.109

3.457 ± 1.735

<.001

1 (1–3)

2 (1–5)

2.076 ± 1.608

3.051 ± 1.973

<.001

1 (1–1)

1 (1–1)

1.063 ± 0.274

1.157 ± 0.367

0.005

1 (1–1)

1 (1–2)

1.274 ± 0.747

1.706 ± 1.006

<.001

1 (1–1)

1 (1–2)

1.089 ± 0.347

1.333 ± 0.683

<.001

2 (1–3)

3 (2–4)

1.99 ± 1.234

3.286 ± 1.607

<.001

1 (1–1)

2 (1–3)

1.306 ± 0.587

2.49 ± 1.475

<.001

1 (1–2)

3 (2–4)

1.451 ± 0.766

2.909 ± 1.597

<.001

1 (1–2)

2 (1–3)

1.478 ± 0.932

2.725 ± 1.601

<.001

13 (13–14)

10 (8–10)

13.401 ± 1.174

9.098 ± 1.688

<.001