Table 2 Comparison of answers to questionnaire before and after training; n = 50, mean (standard deviation), (Student’s t test for paired samples, all p < 0.01)

 Cumulative

3.3 (±2.1)

7.2 (±1.3)

3.8 (±2.1)

 Physicians; nurses

2.9 (±2.0); 3.8 (±2.3)

7.6 (±1.2); 7.0 (±1.4)

4.0 (±2.1); 3.5 (±2.0)

 Inexperienced; experienced

3.0 (±1.8); 3.8 (±2.4)

7.1 (±1.4); 7.5 (±1.2)

3.9 (±2.0); 3.7 (±2.2)

 Cumulative

4.2 (±2.1)

7.6 (±1.5)

3.4 (±2.0)

 Physicians/nurses

4.8 (±2.2); 3.6 (±2.0)

7.7 (±1.6); 7.5 (±1.4)

2.9 (±2.0); 3.9 (±2.0)

 Inexperienced; experienced

4.6 (±2.2); 3.7 (±2.0)

7.7 (±1.3); 7.4 (±1.8)

3.1 (±2.1); 3.7 (±2.0)

 Cumulative

3.6 (±1.8)

6.9 (±1.5)

3.2 (±1.7)

 Physicians/nurses

4.3 (±1.7); 3.0 (±1.6)

7.4 (±1.2); 6.4 (±1.6)

3.1 (±1.7); 3.4 (±1.7)

 Inexperienced; experienced

3.7 (±1.9); 3.7 (±1.5)

6.8 (±1.7); 7.0 (±1.1)

3.1 (±1.7); 3.3 (±1.7)

 Cumulative

2.2 (±2.9)

6.6 (±2.4)

4.5 (±3.0)

 Physicians/nurses

2.9 (±3.4); 1.3 (±2.1)

7.2 (±2.2); 6.0 (±2.5)

4.3 (±3.2); 4.7 (±2.9)

 Inexperienced; experienced

1.9 (±2.9); 2.5 (±2.9)

6.8 (±2.5); 6.3 (±2.1)

4.9 (±3.2); 3.8 (2.6)